156264461813 has 2 divisors, whose sum is σ = 156264461814. Its totient is φ = 156264461812.

The previous prime is 156264461777. The next prime is 156264461833. The reversal of 156264461813 is 318164462651.

156264461813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156264461809 + 4 = 395303^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 156264461813 - 2⁸ = 156264461557 is a prime.

It is a super-3 number, since 3×156264461813³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (156264461833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78132230906 + 78132230907.

It is an arithmetic number, because the mean of its divisors is an integer number (78132230907).

Almost surely, 2^156264461813 is an apocalyptic number.

It is an amenable number.

156264461813 is a deficient number, since it is larger than the sum of its proper divisors (1).

156264461813 is an equidigital number, since it uses as much as digits as its factorization.

156264461813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 47.

The spelling of 156264461813 in words is "one hundred fifty-six billion, two hundred sixty-four million, four hundred sixty-one thousand, eight hundred thirteen".