70573023137 has 2 divisors, whose sum is σ = 70573023138. Its totient is φ = 70573023136.

The previous prime is 70573023091. The next prime is 70573023181. The reversal of 70573023137 is 73132037507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57774852496 + 12798170641 = 240364^2 + 113129^2 .

It is a cyclic number.

It is not a de Polignac number, because 70573023137 - 2¹⁶ = 70572957601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70573023137.

It is not a weakly prime, because it can be changed into another prime (70573023187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35286511568 + 35286511569.

It is an arithmetic number, because the mean of its divisors is an integer number (35286511569).

Almost surely, 2^70573023137 is an apocalyptic number.

It is an amenable number.

70573023137 is a deficient number, since it is larger than the sum of its proper divisors (1).

70573023137 is an equidigital number, since it uses as much as digits as its factorization.

70573023137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92610, while the sum is 38.

The spelling of 70573023137 in words is "seventy billion, five hundred seventy-three million, twenty-three thousand, one hundred thirty-seven".