6431407343472 has 40 divisors (see below), whose sum is σ = 16614704182144. Its totient is φ = 2143772097984.

The previous prime is 6431407343467. The next prime is 6431407343483. The reversal of 6431407343472 is 2743437041346.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2615493 + ... + 4438875.

Almost surely, 2^{6431407343472} is an apocalyptic number.

It is an amenable number.

6431407343472 is an abundant number, since it is smaller than the sum of its proper divisors (10183296838672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6431407343472 is a wasteful number, since it uses less digits than its factorization.

6431407343472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896877 (or 1896871 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 48.

The spelling of 6431407343472 in words is "six trillion, four hundred thirty-one billion, four hundred seven million, three hundred forty-three thousand, four hundred seventy-two".