99174965421401 has 4 divisors (see below), whose sum is σ = 104394700443600. Its totient is φ = 93955230399204.

The previous prime is 99174965421379. The next prime is 99174965421421. The reversal of 99174965421401 is 10412456947199.

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 a de Polignac number, because none of the positive numbers 2^k-99174965421401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99174965421421) 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, 2609867511071 + ... + 2609867511108.

It is an arithmetic number, because the mean of its divisors is an integer number (26098675110900).

Almost surely, 2^{99174965421401} is an apocalyptic number.

It is an amenable number.

99174965421401 is a deficient number, since it is larger than the sum of its proper divisors (5219735022199).

99174965421401 is a wasteful number, since it uses less digits than its factorization.

99174965421401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5219735022198.

The product of its (nonzero) digits is 19595520, while the sum is 62.

The spelling of 99174965421401 in words is "ninety-nine trillion, one hundred seventy-four billion, nine hundred sixty-five million, four hundred twenty-one thousand, four hundred one".