40931101859 has 2 divisors, whose sum is σ = 40931101860. Its totient is φ = 40931101858.

The previous prime is 40931101853. The next prime is 40931101891. The reversal of 40931101859 is 95810113904.

40931101859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40931101859 is a prime.

It is not a weakly prime, because it can be changed into another prime (40931101853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20465550929 + 20465550930.

It is an arithmetic number, because the mean of its divisors is an integer number (20465550930).

Almost surely, 2^40931101859 is an apocalyptic number.

40931101859 is a deficient number, since it is larger than the sum of its proper divisors (1).

40931101859 is an equidigital number, since it uses as much as digits as its factorization.

40931101859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 41.

The spelling of 40931101859 in words is "forty billion, nine hundred thirty-one million, one hundred one thousand, eight hundred fifty-nine".