10422139961 has 2 divisors, whose sum is σ = 10422139962. Its totient is φ = 10422139960.

The previous prime is 10422139943. The next prime is 10422140039. The reversal of 10422139961 is 16993122401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9355725625 + 1066414336 = 96725^2 + 32656^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10422139961 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10422135961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5211069980 + 5211069981.

It is an arithmetic number, because the mean of its divisors is an integer number (5211069981).

Almost surely, 2^10422139961 is an apocalyptic number.

It is an amenable number.

10422139961 is a deficient number, since it is larger than the sum of its proper divisors (1).

10422139961 is an equidigital number, since it uses as much as digits as its factorization.

10422139961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 10422139961 in words is "ten billion, four hundred twenty-two million, one hundred thirty-nine thousand, nine hundred sixty-one".