6401654344 has 32 divisors (see below), whose sum is σ = 12849012000. Its totient is φ = 2980962432.

The previous prime is 6401654323. The next prime is 6401654353. The reversal of 6401654344 is 4434561046.

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, 347949 + ... + 365884.

It is an arithmetic number, because the mean of its divisors is an integer number (401531625).

Almost surely, 2^6401654344 is an apocalyptic number.

It is an amenable number.

6401654344 is an abundant number, since it is smaller than the sum of its proper divisors (6447357656).

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

6401654344 is a wasteful number, since it uses less digits than its factorization.

6401654344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713917 (or 713913 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 6401654344 is about 80010.3389819091. The cubic root of 6401654344 is about 1856.7954943430.

The spelling of 6401654344 in words is "six billion, four hundred one million, six hundred fifty-four thousand, three hundred forty-four".