13776413331 has 32 divisors (see below), whose sum is σ = 18942336000. Its totient is φ = 8902285184.

The previous prime is 13776413323. The next prime is 13776413333. The reversal of 13776413331 is 13331467731.

It is a cyclic number.

It is not a de Polignac number, because 13776413331 - 2³ = 13776413323 is a prime.

It is a super-2 number, since 2×13776413331² (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 13776413331.

It is not an unprimeable number, because it can be changed into a prime (13776413333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4592170 + ... + 4595168.

It is an arithmetic number, because the mean of its divisors is an integer number (591948000).

Almost surely, 2^13776413331 is an apocalyptic number.

13776413331 is a deficient number, since it is larger than the sum of its proper divisors (5165922669).

13776413331 is a wasteful number, since it uses less digits than its factorization.

13776413331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395.

The product of its digits is 95256, while the sum is 39.

The spelling of 13776413331 in words is "thirteen billion, seven hundred seventy-six million, four hundred thirteen thousand, three hundred thirty-one".