490691720615 has 16 divisors (see below), whose sum is σ = 604962793152. Its totient is φ = 381805887744.

The previous prime is 490691720593. The next prime is 490691720621. The reversal of 490691720615 is 516027196094.

It is a cyclic number.

It is not a de Polignac number, because 490691720615 - 2¹⁴ = 490691704231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36182 + ... + 991308.

It is an arithmetic number, because the mean of its divisors is an integer number (37810174572).

Almost surely, 2^490691720615 is an apocalyptic number.

490691720615 is a deficient number, since it is larger than the sum of its proper divisors (114271072537).

490691720615 is a wasteful number, since it uses less digits than its factorization.

490691720615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957946.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 490691720615 in words is "four hundred ninety billion, six hundred ninety-one million, seven hundred twenty thousand, six hundred fifteen".