99999495051 has 4 divisors (see below), whose sum is σ = 133332660072. Its totient is φ = 66666330032.

The previous prime is 99999495007. The next prime is 99999495119. The reversal of 99999495051 is 15059499999.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99999495051 - 2⁷ = 99999494923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99999493051) 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, 16666582506 + ... + 16666582511.

It is an arithmetic number, because the mean of its divisors is an integer number (33333165018).

Almost surely, 2^99999495051 is an apocalyptic number.

99999495051 is a deficient number, since it is larger than the sum of its proper divisors (33333165021).

99999495051 is a wasteful number, since it uses less digits than its factorization.

99999495051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33333165020.

The product of its (nonzero) digits is 53144100, while the sum is 69.

It can be divided in two parts, 9999 and 9495051, that multiplied together give a palindrome (94941014949).

The spelling of 99999495051 in words is "ninety-nine billion, nine hundred ninety-nine million, four hundred ninety-five thousand, fifty-one".