69690763357 has 2 divisors, whose sum is σ = 69690763358. Its totient is φ = 69690763356.

The previous prime is 69690763327. The next prime is 69690763367. The reversal of 69690763357 is 75336709696.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51469543161 + 18221220196 = 226869^2 + 134986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69690763357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69690763295 and 69690763304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69690763327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34845381678 + 34845381679.

It is an arithmetic number, because the mean of its divisors is an integer number (34845381679).

Almost surely, 2^69690763357 is an apocalyptic number.

It is an amenable number.

69690763357 is a deficient number, since it is larger than the sum of its proper divisors (1).

69690763357 is an equidigital number, since it uses as much as digits as its factorization.

69690763357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38578680, while the sum is 61.

The spelling of 69690763357 in words is "sixty-nine billion, six hundred ninety million, seven hundred sixty-three thousand, three hundred fifty-seven".