13499906497 has 16 divisors (see below), whose sum is σ = 16845345792. Its totient is φ = 10510474320.

The previous prime is 13499906479. The next prime is 13499906503. The reversal of 13499906497 is 79460999431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13499906497 is a prime.

It is a super-2 number, since 2×13499906497² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13499906437) 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, 17548 + ... + 165250.

It is an arithmetic number, because the mean of its divisors is an integer number (1052834112).

Almost surely, 2^13499906497 is an apocalyptic number.

It is an amenable number.

13499906497 is a deficient number, since it is larger than the sum of its proper divisors (3345439295).

13499906497 is a wasteful number, since it uses less digits than its factorization.

13499906497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148908.

The product of its (nonzero) digits is 13226976, while the sum is 61.

The spelling of 13499906497 in words is "thirteen billion, four hundred ninety-nine million, nine hundred six thousand, four hundred ninety-seven".