69140737357 has 2 divisors, whose sum is σ = 69140737358. Its totient is φ = 69140737356.

The previous prime is 69140737343. The next prime is 69140737361. The reversal of 69140737357 is 75373704196.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65614871716 + 3525865641 = 256154^2 + 59379^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69140737357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69140797357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34570368678 + 34570368679.

It is an arithmetic number, because the mean of its divisors is an integer number (34570368679).

Almost surely, 2^69140737357 is an apocalyptic number.

It is an amenable number.

69140737357 is a deficient number, since it is larger than the sum of its proper divisors (1).

69140737357 is an equidigital number, since it uses as much as digits as its factorization.

69140737357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3333960, while the sum is 52.

The spelling of 69140737357 in words is "sixty-nine billion, one hundred forty million, seven hundred thirty-seven thousand, three hundred fifty-seven".