8011921492 has 12 divisors (see below), whose sum is σ = 14131264000. Its totient is φ = 3974417496.

The previous prime is 8011921487. The next prime is 8011921493. The reversal of 8011921492 is 2941291108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8011921493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7885242 + ... + 7886257.

Almost surely, 2^8011921492 is an apocalyptic number.

It is an amenable number.

8011921492 is a deficient number, since it is larger than the sum of its proper divisors (6119342508).

8011921492 is a wasteful number, since it uses less digits than its factorization.

8011921492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15771630 (or 15771628 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 8011921492 is about 89509.3374570497. The cubic root of 8011921492 is about 2000.9929645957.

The spelling of 8011921492 in words is "eight billion, eleven million, nine hundred twenty-one thousand, four hundred ninety-two".