95220417721 has 24 divisors (see below), whose sum is σ = 112787708040. Its totient is φ = 79853579520.

The previous prime is 95220417709. The next prime is 95220417737. The reversal of 95220417721 is 12771402259.

It can be written as a sum of positive squares in 4 ways, for example, as 220849321 + 94999568400 = 14861^2 + 308220^2 .

It is not a de Polignac number, because 95220417721 - 2⁹ = 95220417209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (95220417791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2518485 + ... + 2556013.

It is an arithmetic number, because the mean of its divisors is an integer number (4699487835).

Almost surely, 2^95220417721 is an apocalyptic number.

It is an amenable number.

95220417721 is a deficient number, since it is larger than the sum of its proper divisors (17567290319).

95220417721 is a wasteful number, since it uses less digits than its factorization.

95220417721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39177 (or 39166 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 95220417721 in words is "ninety-five billion, two hundred twenty million, four hundred seventeen thousand, seven hundred twenty-one".