93426987851 has 4 divisors (see below), whose sum is σ = 93577920600. Its totient is φ = 93276055104.

The previous prime is 93426987761. The next prime is 93426987869. The reversal of 93426987851 is 15878962439.

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-93426987851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93426983851) 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 in 3 ways as a sum of consecutive naturals, for example, 75465446 + ... + 75466683.

It is an arithmetic number, because the mean of its divisors is an integer number (23394480150).

Almost surely, 2^93426987851 is an apocalyptic number.

93426987851 is a deficient number, since it is larger than the sum of its proper divisors (150932749).

93426987851 is a wasteful number, since it uses less digits than its factorization.

93426987851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150932748.

The product of its digits is 26127360, while the sum is 62.

The spelling of 93426987851 in words is "ninety-three billion, four hundred twenty-six million, nine hundred eighty-seven thousand, eight hundred fifty-one".