99992242451 has 2 divisors, whose sum is σ = 99992242452. Its totient is φ = 99992242450.

The previous prime is 99992242351. The next prime is 99992242499. The reversal of 99992242451 is 15424229999.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99992242451 is a prime.

It is not a weakly prime, because it can be changed into another prime (99992242351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49996121225 + 49996121226.

It is an arithmetic number, because the mean of its divisors is an integer number (49996121226).

Almost surely, 2^99992242451 is an apocalyptic number.

99992242451 is a deficient number, since it is larger than the sum of its proper divisors (1).

99992242451 is an equidigital number, since it uses as much as digits as its factorization.

99992242451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4199040, while the sum is 56.

The spelling of 99992242451 in words is "ninety-nine billion, nine hundred ninety-two million, two hundred forty-two thousand, four hundred fifty-one".