15401632451 has 2 divisors, whose sum is σ = 15401632452. Its totient is φ = 15401632450.

The previous prime is 15401632423. The next prime is 15401632453. The reversal of 15401632451 is 15423610451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15401632451 - 2⁶ = 15401632387 is a prime.

Together with 15401632453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15401632453) 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, 7700816225 + 7700816226.

It is an arithmetic number, because the mean of its divisors is an integer number (7700816226).

Almost surely, 2^15401632451 is an apocalyptic number.

15401632451 is a deficient number, since it is larger than the sum of its proper divisors (1).

15401632451 is an equidigital number, since it uses as much as digits as its factorization.

15401632451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 15401632451 in words is "fifteen billion, four hundred one million, six hundred thirty-two thousand, four hundred fifty-one".