42992499823 has 16 divisors (see below), whose sum is σ = 54620747776. Its totient is φ = 32918749920.

The previous prime is 42992499799. The next prime is 42992499827. The reversal of 42992499823 is 32899429924.

42992499823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42992499823 - 2⁵ = 42992499791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42992499827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7617261 + ... + 7622902.

It is an arithmetic number, because the mean of its divisors is an integer number (3413796736).

Almost surely, 2^42992499823 is an apocalyptic number.

42992499823 is a deficient number, since it is larger than the sum of its proper divisors (11628247953).

42992499823 is a wasteful number, since it uses less digits than its factorization.

42992499823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15240214.

The product of its digits is 20155392, while the sum is 61.

The spelling of 42992499823 in words is "forty-two billion, nine hundred ninety-two million, four hundred ninety-nine thousand, eight hundred twenty-three".