13257773837 has 12 divisors (see below), whose sum is σ = 16824337056. Its totient is φ = 10330732440.

The previous prime is 13257773831. The next prime is 13257773869. The reversal of 13257773837 is 73837775231.

It is not a de Polignac number, because 13257773837 - 2¹² = 13257769741 is a prime.

It is a super-2 number, since 2×13257773837² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13257773831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12297953 + ... + 12299030.

It is an arithmetic number, because the mean of its divisors is an integer number (1402028088).

Almost surely, 2^13257773837 is an apocalyptic number.

It is an amenable number.

13257773837 is a deficient number, since it is larger than the sum of its proper divisors (3566563219).

13257773837 is a wasteful number, since it uses less digits than its factorization.

13257773837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24597008 (or 24597001 counting only the distinct ones).

The product of its digits is 5186160, while the sum is 53.

The spelling of 13257773837 in words is "thirteen billion, two hundred fifty-seven million, seven hundred seventy-three thousand, eight hundred thirty-seven".