491360960970 has 64 divisors (see below), whose sum is σ = 1429413713280. Its totient is φ = 119117808000.

The previous prime is 491360960941. The next prime is 491360961017. The reversal of 491360960970 is 79069063194.

491360960970 is a `hidden beast` number, since 491 + 3 + 6 + 0 + 9 + 60 + 97 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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, 82717731 + ... + 82723670.

It is an arithmetic number, because the mean of its divisors is an integer number (22334589270).

Almost surely, 2^491360960970 is an apocalyptic number.

491360960970 is an abundant number, since it is smaller than the sum of its proper divisors (938052752310).

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

491360960970 is a wasteful number, since it uses less digits than its factorization.

491360960970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165441428 (or 165441422 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The spelling of 491360960970 in words is "four hundred ninety-one billion, three hundred sixty million, nine hundred sixty thousand, nine hundred seventy".