491035402170 has 48 divisors (see below), whose sum is σ = 1276858530792. Its totient is φ = 130925698560.

The previous prime is 491035402057. The next prime is 491035402201. The reversal of 491035402170 is 71204530194.

491035402170 is a `hidden beast` number, since 4 + 9 + 103 + 540 + 2 + 1 + 7 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 491032343169 + 3059001 = 700737^2 + 1749^2 .

It is a super-2 number, since 2×491035402170² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 345910 + ... + 1049630.

Almost surely, 2^491035402170 is an apocalyptic number.

491035402170 is an abundant number, since it is smaller than the sum of its proper divisors (785823128622).

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

491035402170 is a wasteful number, since it uses less digits than its factorization.

491035402170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711487 (or 711484 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 491035402170 in words is "four hundred ninety-one billion, thirty-five million, four hundred two thousand, one hundred seventy".