13442638371 has 16 divisors (see below), whose sum is σ = 18433476864. Its totient is φ = 8708896224.

The previous prime is 13442638367. The next prime is 13442638399. The reversal of 13442638371 is 17383624431.

It is not a de Polignac number, because 13442638371 - 2² = 13442638367 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13442638571) 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, 239071 + ... + 289896.

It is an arithmetic number, because the mean of its divisors is an integer number (1152092304).

Almost surely, 2^13442638371 is an apocalyptic number.

13442638371 is a deficient number, since it is larger than the sum of its proper divisors (4990838493).

13442638371 is a wasteful number, since it uses less digits than its factorization.

13442638371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529210.

The product of its digits is 290304, while the sum is 42.

The spelling of 13442638371 in words is "thirteen billion, four hundred forty-two million, six hundred thirty-eight thousand, three hundred seventy-one".