493949964 has 12 divisors (see below), whose sum is σ = 1152549944. Its totient is φ = 164649984.

The previous prime is 493949933. The next prime is 493949969. The reversal of 493949964 is 469949394.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (493949969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20581237 + ... + 20581260.

Almost surely, 2^493949964 is an apocalyptic number.

It is an amenable number.

493949964 is an abundant number, since it is smaller than the sum of its proper divisors (658599980).

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

493949964 is a wasteful number, since it uses less digits than its factorization.

493949964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41162504 (or 41162502 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 57.

The square root of 493949964 is about 22224.9851293539. The cubic root of 493949964 is about 790.4862487461.

The spelling of 493949964 in words is "four hundred ninety-three million, nine hundred forty-nine thousand, nine hundred sixty-four".