649435484534946 has 32 divisors (see below), whose sum is σ = 1330589556527616. Its totient is φ = 211192371600000.

The previous prime is 649435484534929. The next prime is 649435484535029.

649435484534946 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30044530 + ... + 46920621.

It is an arithmetic number, because the mean of its divisors is an integer number (41580923641488).

Almost surely, 2^{649435484534946} is an apocalyptic number.

649435484534946 is an abundant number, since it is smaller than the sum of its proper divisors (681154071992670).

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

649435484534946 is a wasteful number, since it uses less digits than its factorization.

649435484534946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76999498.

The product of its digits is 21499084800, while the sum is 78.

The spelling of 649435484534946 in words is "six hundred forty-nine trillion, four hundred thirty-five billion, four hundred eighty-four million, five hundred thirty-four thousand, nine hundred forty-six".