13351972245 has 32 divisors (see below), whose sum is σ = 21671967744. Its totient is φ = 7018752000.

The previous prime is 13351972243. The next prime is 13351972307. The reversal of 13351972245 is 54227915331.

It is not a de Polignac number, because 13351972245 - 2¹ = 13351972243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13351972197 and 13351972206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13351972243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318085 + ... + 357605.

It is an arithmetic number, because the mean of its divisors is an integer number (677248992).

Almost surely, 2^13351972245 is an apocalyptic number.

13351972245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13351972245 is a deficient number, since it is larger than the sum of its proper divisors (8319995499).

13351972245 is a wasteful number, since it uses less digits than its factorization.

13351972245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39853.

The product of its digits is 226800, while the sum is 42.

The spelling of 13351972245 in words is "thirteen billion, three hundred fifty-one million, nine hundred seventy-two thousand, two hundred forty-five".