99426451 has 2 divisors, whose sum is σ = 99426452. Its totient is φ = 99426450.

The previous prime is 99426409. The next prime is 99426461. The reversal of 99426451 is 15462499.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99426451 - 2⁹ = 99425939 is a prime.

It is not a weakly prime, because it can be changed into another prime (99426461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49713225 + 49713226.

It is an arithmetic number, because the mean of its divisors is an integer number (49713226).

Almost surely, 2^99426451 is an apocalyptic number.

99426451 is a deficient number, since it is larger than the sum of its proper divisors (1).

99426451 is an equidigital number, since it uses as much as digits as its factorization.

99426451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 40.

The square root of 99426451 is about 9971.2813118475. The cubic root of 99426451 is about 463.2697885124.

The spelling of 99426451 in words is "ninety-nine million, four hundred twenty-six thousand, four hundred fifty-one".