13457736897 has 16 divisors (see below), whose sum is σ = 20249887680. Its totient is φ = 7874955200.

The previous prime is 13457736893. The next prime is 13457736913. The reversal of 13457736897 is 79863775431.

It is a cyclic number.

It is not a de Polignac number, because 13457736897 - 2² = 13457736893 is a prime.

It is a super-2 number, since 2×13457736897² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13457736897.

It is not an unprimeable number, because it can be changed into a prime (13457736893) 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, 7030254 + ... + 7032167.

It is an arithmetic number, because the mean of its divisors is an integer number (1265617980).

Almost surely, 2^13457736897 is an apocalyptic number.

It is an amenable number.

13457736897 is a deficient number, since it is larger than the sum of its proper divisors (6792150783).

13457736897 is a wasteful number, since it uses less digits than its factorization.

13457736897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14062464.

The product of its digits is 26671680, while the sum is 60.

The spelling of 13457736897 in words is "thirteen billion, four hundred fifty-seven million, seven hundred thirty-six thousand, eight hundred ninety-seven".