491593926841060 has 96 divisors (see below), whose sum is σ = 1113763368019680. Its totient is φ = 181582749696000.

The previous prime is 491593926840979. The next prime is 491593926841099. The reversal of 491593926841060 is 60148629395194.

It can be written as a sum of positive squares in 16 ways, for example, as 145885427516416 + 345708499324644 = 12078304^2 + 18593238^2 .

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, 21237745 + ... + 37871224.

It is an arithmetic number, because the mean of its divisors is an integer number (11601701750205).

Almost surely, 2^{491593926841060} is an apocalyptic number.

It is an amenable number.

491593926841060 is an abundant number, since it is smaller than the sum of its proper divisors (622169441178620).

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

491593926841060 is a wasteful number, since it uses less digits than its factorization.

491593926841060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59109457 (or 59109455 counting only the distinct ones).

The product of its (nonzero) digits is 100776960, while the sum is 67.

The spelling of 491593926841060 in words is "four hundred ninety-one trillion, five hundred ninety-three billion, nine hundred twenty-six million, eight hundred forty-one thousand, sixty".