1371472647631 has 4 divisors (see below), whose sum is σ = 1371481927792. Its totient is φ = 1371463367472.

The previous prime is 1371472647617. The next prime is 1371472647679. The reversal of 1371472647631 is 1367462741731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1371472647631 - 2⁵ = 1371472647599 is a prime.

It is a super-2 number, since 2×1371472647631² (a number of 25 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 (1371472647331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4414755 + ... + 4715188.

It is an arithmetic number, because the mean of its divisors is an integer number (342870481948).

Almost surely, 2^{1371472647631} is an apocalyptic number.

1371472647631 is a deficient number, since it is larger than the sum of its proper divisors (9280161).

1371472647631 is an equidigital number, since it uses as much as digits as its factorization.

1371472647631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9280160.

The product of its digits is 3556224, while the sum is 52.

The spelling of 1371472647631 in words is "one trillion, three hundred seventy-one billion, four hundred seventy-two million, six hundred forty-seven thousand, six hundred thirty-one".