22631435129 has 2 divisors, whose sum is σ = 22631435130. Its totient is φ = 22631435128.

The previous prime is 22631435111. The next prime is 22631435137. The reversal of 22631435129 is 92153413622.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21973615225 + 657819904 = 148235^2 + 25648^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22631435129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22631435092 and 22631435101.

It is not a weakly prime, because it can be changed into another prime (22631435329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11315717564 + 11315717565.

It is an arithmetic number, because the mean of its divisors is an integer number (11315717565).

Almost surely, 2^22631435129 is an apocalyptic number.

It is an amenable number.

22631435129 is a deficient number, since it is larger than the sum of its proper divisors (1).

22631435129 is an equidigital number, since it uses as much as digits as its factorization.

22631435129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The spelling of 22631435129 in words is "twenty-two billion, six hundred thirty-one million, four hundred thirty-five thousand, one hundred twenty-nine".