990265919615 has 8 divisors (see below), whose sum is σ = 1358078975520. Its totient is φ = 679039487712.

The previous prime is 990265919579. The next prime is 990265919623. The reversal of 990265919615 is 516919562099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 990265919615 - 2⁸ = 990265919359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14146655960 + ... + 14146656029.

It is an arithmetic number, because the mean of its divisors is an integer number (169759871940).

Almost surely, 2^990265919615 is an apocalyptic number.

990265919615 is a deficient number, since it is larger than the sum of its proper divisors (367813055905).

990265919615 is a wasteful number, since it uses less digits than its factorization.

990265919615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28293312001.

The product of its (nonzero) digits is 11809800, while the sum is 62.

The spelling of 990265919615 in words is "nine hundred ninety billion, two hundred sixty-five million, nine hundred nineteen thousand, six hundred fifteen".