19537414245 has 60 divisors (see below), whose sum is σ = 35380295940. Its totient is φ = 10314604800.

The previous prime is 19537414241. The next prime is 19537414249. The reversal of 19537414245 is 54241473591.

19537414245 is a `hidden beast` number, since 195 + 3 + 7 + 414 + 2 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (19537414241) and next prime (19537414249).

It can be written as a sum of positive squares in 6 ways, for example, as 729486081 + 18807928164 = 27009^2 + 137142^2 .

It is not a de Polignac number, because 19537414245 - 2² = 19537414241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 19537414245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19537414241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 4129041 + ... + 4133769.

It is an arithmetic number, because the mean of its divisors is an integer number (589671599).

Almost surely, 2^19537414245 is an apocalyptic number.

19537414245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19537414245 is a deficient number, since it is larger than the sum of its proper divisors (15842881695).

19537414245 is an equidigital number, since it uses as much as digits as its factorization.

19537414245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4948 (or 4838 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The spelling of 19537414245 in words is "nineteen billion, five hundred thirty-seven million, four hundred fourteen thousand, two hundred forty-five".