846591615953 has 2 divisors, whose sum is σ = 846591615954. Its totient is φ = 846591615952.

The previous prime is 846591615887. The next prime is 846591615971. The reversal of 846591615953 is 359516195648.

846591615953 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., 558230133904 + 288361482049 = 747148^2 + 536993^2 .

It is a cyclic number.

It is not a de Polignac number, because 846591615953 - 2²⁶ = 846524507089 is a prime.

It is not a weakly prime, because it can be changed into another prime (846591615053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423295807976 + 423295807977.

It is an arithmetic number, because the mean of its divisors is an integer number (423295807977).

Almost surely, 2^846591615953 is an apocalyptic number.

It is an amenable number.

846591615953 is a deficient number, since it is larger than the sum of its proper divisors (1).

846591615953 is an equidigital number, since it uses as much as digits as its factorization.

846591615953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992000, while the sum is 62.

The spelling of 846591615953 in words is "eight hundred forty-six billion, five hundred ninety-one million, six hundred fifteen thousand, nine hundred fifty-three".