70050023129 has 2 divisors, whose sum is σ = 70050023130. Its totient is φ = 70050023128.

The previous prime is 70050023123. The next prime is 70050023143. The reversal of 70050023129 is 92132005007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56098869904 + 13951153225 = 236852^2 + 118115^2 .

It is a cyclic number.

It is not a de Polignac number, because 70050023129 - 2²⁰ = 70048974553 is a prime.

It is not a weakly prime, because it can be changed into another prime (70050023123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35025011564 + 35025011565.

It is an arithmetic number, because the mean of its divisors is an integer number (35025011565).

Almost surely, 2^70050023129 is an apocalyptic number.

It is an amenable number.

70050023129 is a deficient number, since it is larger than the sum of its proper divisors (1).

70050023129 is an equidigital number, since it uses as much as digits as its factorization.

70050023129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The spelling of 70050023129 in words is "seventy billion, fifty million, twenty-three thousand, one hundred twenty-nine".