981308458927 has 2 divisors, whose sum is σ = 981308458928. Its totient is φ = 981308458926.

The previous prime is 981308458901. The next prime is 981308458939. The reversal of 981308458927 is 729854803189.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 981308458927 - 2²³ = 981300070319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (981308458987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490654229463 + 490654229464.

It is an arithmetic number, because the mean of its divisors is an integer number (490654229464).

Almost surely, 2^981308458927 is an apocalyptic number.

981308458927 is a deficient number, since it is larger than the sum of its proper divisors (1).

981308458927 is an equidigital number, since it uses as much as digits as its factorization.

981308458927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34836480, while the sum is 64.

The spelling of 981308458927 in words is "nine hundred eighty-one billion, three hundred eight million, four hundred fifty-eight thousand, nine hundred twenty-seven".