99400103251 has 2 divisors, whose sum is σ = 99400103252. Its totient is φ = 99400103250.

The previous prime is 99400103219. The next prime is 99400103261. The reversal of 99400103251 is 15230100499.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99400103251 - 2⁵ = 99400103219 is a prime.

It is not a weakly prime, because it can be changed into another prime (99400103261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49700051625 + 49700051626.

It is an arithmetic number, because the mean of its divisors is an integer number (49700051626).

Almost surely, 2^99400103251 is an apocalyptic number.

99400103251 is a deficient number, since it is larger than the sum of its proper divisors (1).

99400103251 is an equidigital number, since it uses as much as digits as its factorization.

99400103251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The spelling of 99400103251 in words is "ninety-nine billion, four hundred million, one hundred three thousand, two hundred fifty-one".