93721085953 has 8 divisors (see below), whose sum is σ = 102249203616. Its totient is φ = 85194304800.

The previous prime is 93721085923. The next prime is 93721086001. The reversal of 93721085953 is 35958012739.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-93721085953 is a prime.

It is a super-2 number, since 2×93721085953² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 93721085953.

It is not an unprimeable number, because it can be changed into a prime (93721085923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184588 + ... + 470653.

It is an arithmetic number, because the mean of its divisors is an integer number (12781150452).

Almost surely, 2^93721085953 is an apocalyptic number.

It is an amenable number.

93721085953 is a deficient number, since it is larger than the sum of its proper divisors (8528117663).

93721085953 is a wasteful number, since it uses less digits than its factorization.

93721085953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668255.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The spelling of 93721085953 in words is "ninety-three billion, seven hundred twenty-one million, eighty-five thousand, nine hundred fifty-three".