646201412560434 has 16 divisors (see below), whose sum is σ = 1292447236412160. Its totient is φ = 215393068971600.

The previous prime is 646201412560381. The next prime is 646201412560493. The reversal of 646201412560434 is 434065214102646.

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, 1850281314 + ... + 1850630525.

It is an arithmetic number, because the mean of its divisors is an integer number (80777952275760).

Almost surely, 2^{646201412560434} is an apocalyptic number.

646201412560434 is an abundant number, since it is smaller than the sum of its proper divisors (646245823851726).

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

646201412560434 is a wasteful number, since it uses less digits than its factorization.

646201412560434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700940945.

The product of its (nonzero) digits is 3317760, while the sum is 48.

The spelling of 646201412560434 in words is "six hundred forty-six trillion, two hundred one billion, four hundred twelve million, five hundred sixty thousand, four hundred thirty-four".