494201631 has 32 divisors (see below), whose sum is σ = 828366336. Its totient is φ = 256713600.

The previous prime is 494201629. The next prime is 494201651. The reversal of 494201631 is 136102494.

It is not a de Polignac number, because 494201631 - 2¹ = 494201629 is a prime.

It is a super-2 number, since 2×494201631² = 488470504166120322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494201651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19111 + ... + 36791.

It is an arithmetic number, because the mean of its divisors is an integer number (25886448).

Almost surely, 2^494201631 is an apocalyptic number.

494201631 is a deficient number, since it is larger than the sum of its proper divisors (334164705).

494201631 is a wasteful number, since it uses less digits than its factorization.

494201631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17724 (or 17702 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 494201631 is about 22230.6462119301. The cubic root of 494201631 is about 790.6204765967.

The spelling of 494201631 in words is "four hundred ninety-four million, two hundred one thousand, six hundred thirty-one".