93870781646051 has 4 divisors (see below), whose sum is σ = 97952119978512. Its totient is φ = 89789443313592.

The previous prime is 93870781646011. The next prime is 93870781646171. The reversal of 93870781646051 is 15064618707839.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93870781646051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93870781646011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2040669166196 + ... + 2040669166241.

It is an arithmetic number, because the mean of its divisors is an integer number (24488029994628).

Almost surely, 2^{93870781646051} is an apocalyptic number.

93870781646051 is a deficient number, since it is larger than the sum of its proper divisors (4081338332461).

93870781646051 is a wasteful number, since it uses less digits than its factorization.

93870781646051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4081338332460.

The product of its (nonzero) digits is 60963840, while the sum is 65.

The spelling of 93870781646051 in words is "ninety-three trillion, eight hundred seventy billion, seven hundred eighty-one million, six hundred forty-six thousand, fifty-one".