10331421979 has 2 divisors, whose sum is σ = 10331421980. Its totient is φ = 10331421978.

The previous prime is 10331421959. The next prime is 10331422009. The reversal of 10331421979 is 97912413301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10331421979 - 2⁷ = 10331421851 is a prime.

It is not a weakly prime, because it can be changed into another prime (10331421949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5165710989 + 5165710990.

It is an arithmetic number, because the mean of its divisors is an integer number (5165710990).

Almost surely, 2^10331421979 is an apocalyptic number.

10331421979 is a deficient number, since it is larger than the sum of its proper divisors (1).

10331421979 is an equidigital number, since it uses as much as digits as its factorization.

10331421979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 40.

The spelling of 10331421979 in words is "ten billion, three hundred thirty-one million, four hundred twenty-one thousand, nine hundred seventy-nine".