18996760965 has 64 divisors (see below), whose sum is σ = 37703909376. Its totient is φ = 7953023232.

The previous prime is 18996760957. The next prime is 18996760973. The reversal of 18996760965 is 56906769981.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18996760957) and next prime (18996760973).

It is not a de Polignac number, because 18996760965 - 2³ = 18996760957 is a prime.

It is a super-2 number, since 2×18996760965² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18996760896 and 18996760905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 118564 + ... + 228146.

It is an arithmetic number, because the mean of its divisors is an integer number (589123584).

Almost surely, 2^18996760965 is an apocalyptic number.

18996760965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18996760965 is a deficient number, since it is larger than the sum of its proper divisors (18707148411).

18996760965 is a wasteful number, since it uses less digits than its factorization.

18996760965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109738.

The product of its (nonzero) digits is 44089920, while the sum is 66.

The spelling of 18996760965 in words is "eighteen billion, nine hundred ninety-six million, seven hundred sixty thousand, nine hundred sixty-five".