156264461849 has 2 divisors, whose sum is σ = 156264461850. Its totient is φ = 156264461848.

The previous prime is 156264461833. The next prime is 156264461887. The reversal of 156264461849 is 948164462651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143141155600 + 13123306249 = 378340^2 + 114557^2 .

It is a cyclic number.

It is not a de Polignac number, because 156264461849 - 2⁴ = 156264461833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 156264461794 and 156264461803.

It is not a weakly prime, because it can be changed into another prime (156264464849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78132230924 + 78132230925.

It is an arithmetic number, because the mean of its divisors is an integer number (78132230925).

Almost surely, 2^156264461849 is an apocalyptic number.

It is an amenable number.

156264461849 is a deficient number, since it is larger than the sum of its proper divisors (1).

156264461849 is an equidigital number, since it uses as much as digits as its factorization.

156264461849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9953280, while the sum is 56.

The spelling of 156264461849 in words is "one hundred fifty-six billion, two hundred sixty-four million, four hundred sixty-one thousand, eight hundred forty-nine".