646545321614034 has 64 divisors (see below), whose sum is σ = 1524014319340800. Its totient is φ = 202473586669824.

The previous prime is 646545321614021. The next prime is 646545321614041. The reversal of 646545321614034 is 430416123545646.

646545321614034 is a `hidden beast` number, since 6 + 4 + 6 + 5 + 4 + 532 + 1 + 61 + 40 + 3 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 631712854 + ... + 632735505.

It is an arithmetic number, because the mean of its divisors is an integer number (23812723739700).

Almost surely, 2^{646545321614034} is an apocalyptic number.

646545321614034 is an abundant number, since it is smaller than the sum of its proper divisors (877468997726766).

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

646545321614034 is a wasteful number, since it uses less digits than its factorization.

646545321614034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264448944 (or 1264448938 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 54.

The spelling of 646545321614034 in words is "six hundred forty-six trillion, five hundred forty-five billion, three hundred twenty-one million, six hundred fourteen thousand, thirty-four".