22551309379 has 2 divisors, whose sum is σ = 22551309380. Its totient is φ = 22551309378.

The previous prime is 22551309349. The next prime is 22551309401. The reversal of 22551309379 is 97390315522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22551309379 is a prime.

It is not a weakly prime, because it can be changed into another prime (22551309329) 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, 11275654689 + 11275654690.

It is an arithmetic number, because the mean of its divisors is an integer number (11275654690).

Almost surely, 2^22551309379 is an apocalyptic number.

22551309379 is a deficient number, since it is larger than the sum of its proper divisors (1).

22551309379 is an equidigital number, since it uses as much as digits as its factorization.

22551309379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 510300, while the sum is 46.

The spelling of 22551309379 in words is "twenty-two billion, five hundred fifty-one million, three hundred nine thousand, three hundred seventy-nine".