70193239157 has 2 divisors, whose sum is σ = 70193239158. Its totient is φ = 70193239156.

The previous prime is 70193239153. The next prime is 70193239163. The reversal of 70193239157 is 75193239107.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56154306961 + 14038932196 = 236969^2 + 118486^2 .

It is a cyclic number.

It is not a de Polignac number, because 70193239157 - 2² = 70193239153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70193239153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35096619578 + 35096619579.

It is an arithmetic number, because the mean of its divisors is an integer number (35096619579).

Almost surely, 2^70193239157 is an apocalyptic number.

It is an amenable number.

70193239157 is a deficient number, since it is larger than the sum of its proper divisors (1).

70193239157 is an equidigital number, since it uses as much as digits as its factorization.

70193239157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 357210, while the sum is 47.

The spelling of 70193239157 in words is "seventy billion, one hundred ninety-three million, two hundred thirty-nine thousand, one hundred fifty-seven".