69375688157 has 2 divisors, whose sum is σ = 69375688158. Its totient is φ = 69375688156.

The previous prime is 69375688097. The next prime is 69375688169. The reversal of 69375688157 is 75188657396.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69221083801 + 154604356 = 263099^2 + 12434^2 .

It is a cyclic number.

It is not a de Polignac number, because 69375688157 - 2²⁸ = 69107252701 is a prime.

It is a super-2 number, since 2×69375688157² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 69375688093 and 69375688102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69375688357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34687844078 + 34687844079.

It is an arithmetic number, because the mean of its divisors is an integer number (34687844079).

Almost surely, 2^69375688157 is an apocalyptic number.

It is an amenable number.

69375688157 is a deficient number, since it is larger than the sum of its proper divisors (1).

69375688157 is an equidigital number, since it uses as much as digits as its factorization.

69375688157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76204800, while the sum is 65.

The spelling of 69375688157 in words is "sixty-nine billion, three hundred seventy-five million, six hundred eighty-eight thousand, one hundred fifty-seven".