13552311493 has 16 divisors (see below), whose sum is σ = 15917347584. Its totient is φ = 11294933760.

The previous prime is 13552311449. The next prime is 13552311499. The reversal of 13552311493 is 39411325531.

It is not a de Polignac number, because 13552311493 - 2²¹ = 13550214341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13552311499) 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, 399933 + ... + 432493.

It is an arithmetic number, because the mean of its divisors is an integer number (994834224).

Almost surely, 2^13552311493 is an apocalyptic number.

It is an amenable number.

13552311493 is a deficient number, since it is larger than the sum of its proper divisors (2365036091).

13552311493 is a wasteful number, since it uses less digits than its factorization.

13552311493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34212.

The product of its digits is 48600, while the sum is 37.

The spelling of 13552311493 in words is "thirteen billion, five hundred fifty-two million, three hundred eleven thousand, four hundred ninety-three".