19299116145 has 16 divisors (see below), whose sum is σ = 32503775040. Its totient is φ = 9751132224.

The previous prime is 19299116143. The next prime is 19299116147. The reversal of 19299116145 is 54161199291.

It is an interprime number because it is at equal distance from previous prime (19299116143) and next prime (19299116147).

It is not a de Polignac number, because 19299116145 - 2¹ = 19299116143 is a prime.

It is a super-2 number, since 2×19299116145² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19299116094 and 19299116103.

It is not an unprimeable number, because it can be changed into a prime (19299116143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33857814 + ... + 33858383.

It is an arithmetic number, because the mean of its divisors is an integer number (2031485940).

Almost surely, 2^19299116145 is an apocalyptic number.

19299116145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19299116145 is a deficient number, since it is larger than the sum of its proper divisors (13204658895).

19299116145 is a wasteful number, since it uses less digits than its factorization.

19299116145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67716224.

The product of its digits is 174960, while the sum is 48.

The spelling of 19299116145 in words is "nineteen billion, two hundred ninety-nine million, one hundred sixteen thousand, one hundred forty-five".