156938461843 has 2 divisors, whose sum is σ = 156938461844. Its totient is φ = 156938461842.

The previous prime is 156938461807. The next prime is 156938461891. The reversal of 156938461843 is 348164839651.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 156938461843 - 2³³ = 148348527251 is a prime.

It is not a weakly prime, because it can be changed into another prime (156938464843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78469230921 + 78469230922.

It is an arithmetic number, because the mean of its divisors is an integer number (78469230922).

Almost surely, 2^156938461843 is an apocalyptic number.

156938461843 is a deficient number, since it is larger than the sum of its proper divisors (1).

156938461843 is an equidigital number, since it uses as much as digits as its factorization.

156938461843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14929920, while the sum is 58.

The spelling of 156938461843 in words is "one hundred fifty-six billion, nine hundred thirty-eight million, four hundred sixty-one thousand, eight hundred forty-three".