40931101873 has 4 divisors (see below), whose sum is σ = 41703386868. Its totient is φ = 40158816880.

The previous prime is 40931101859. The next prime is 40931101891. The reversal of 40931101873 is 37810113904.

40931101873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37819358784 + 3111743089 = 194472^2 + 55783^2 .

It is a cyclic number.

It is not a de Polignac number, because 40931101873 - 2²⁵ = 40897547441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40931101853) 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, 386142418 + ... + 386142523.

It is an arithmetic number, because the mean of its divisors is an integer number (10425846717).

Almost surely, 2^40931101873 is an apocalyptic number.

It is an amenable number.

40931101873 is a deficient number, since it is larger than the sum of its proper divisors (772284995).

40931101873 is an equidigital number, since it uses as much as digits as its factorization.

40931101873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772284994.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 40931101873 in words is "forty billion, nine hundred thirty-one million, one hundred one thousand, eight hundred seventy-three".