95921991013021 has 4 divisors (see below), whose sum is σ = 98152734990112. Its totient is φ = 93691247035932.

The previous prime is 95921991012977. The next prime is 95921991013031. The reversal of 95921991013021 is 12031019912959.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 95921991013021 - 2¹⁵ = 95921990980253 is a prime.

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 95921991013021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (95921991013031) 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, 1115371988481 + ... + 1115371988566.

It is an arithmetic number, because the mean of its divisors is an integer number (24538183747528).

Almost surely, 2^{95921991013021} is an apocalyptic number.

It is an amenable number.

95921991013021 is a deficient number, since it is larger than the sum of its proper divisors (2230743977091).

95921991013021 is a wasteful number, since it uses less digits than its factorization.

95921991013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230743977090.

The product of its (nonzero) digits is 393660, while the sum is 52.

The spelling of 95921991013021 in words is "ninety-five trillion, nine hundred twenty-one billion, nine hundred ninety-one million, thirteen thousand, twenty-one".