13049091938865 has 32 divisors (see below), whose sum is σ = 20895021772416. Its totient is φ = 6954025628160.

The previous prime is 13049091938807. The next prime is 13049091938873. The reversal of 13049091938865 is 56883919094031.

It is not a de Polignac number, because 13049091938865 - 2⁸ = 13049091938609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13049091938796 and 13049091938805.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153862002 + ... + 153946788.

It is an arithmetic number, because the mean of its divisors is an integer number (652969430388).

Almost surely, 2^{13049091938865} is an apocalyptic number.

13049091938865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13049091938865 is a deficient number, since it is larger than the sum of its proper divisors (7845929833551).

13049091938865 is a wasteful number, since it uses less digits than its factorization.

13049091938865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92769.

The product of its (nonzero) digits is 50388480, while the sum is 66.

The spelling of 13049091938865 in words is "thirteen trillion, forty-nine billion, ninety-one million, nine hundred thirty-eight thousand, eight hundred sixty-five".