13764639271 has 16 divisors (see below), whose sum is σ = 15342623424. Its totient is φ = 12281995264.

The previous prime is 13764639253. The next prime is 13764639277. The reversal of 13764639271 is 17293646731.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13764639271 - 2⁹ = 13764638759 is a prime.

It is a super-2 number, since 2×13764639271² (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 (13764639277) 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, 111586 + ... + 199951.

It is an arithmetic number, because the mean of its divisors is an integer number (958913964).

Almost surely, 2^13764639271 is an apocalyptic number.

13764639271 is a deficient number, since it is larger than the sum of its proper divisors (1577984153).

13764639271 is a wasteful number, since it uses less digits than its factorization.

13764639271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311690.

The product of its digits is 1143072, while the sum is 49.

The spelling of 13764639271 in words is "thirteen billion, seven hundred sixty-four million, six hundred thirty-nine thousand, two hundred seventy-one".