375682685669 has 2 divisors, whose sum is σ = 375682685670. Its totient is φ = 375682685668.

The previous prime is 375682685639. The next prime is 375682685771. The reversal of 375682685669 is 966586286573.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 375662345569 + 20340100 = 612913^2 + 4510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-375682685669 is a prime.

It is a super-2 number, since 2×375682685669² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (375682685629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187841342834 + 187841342835.

It is an arithmetic number, because the mean of its divisors is an integer number (187841342835).

Almost surely, 2^375682685669 is an apocalyptic number.

It is an amenable number.

375682685669 is a deficient number, since it is larger than the sum of its proper divisors (1).

375682685669 is an equidigital number, since it uses as much as digits as its factorization.

375682685669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 783820800, while the sum is 71.

The spelling of 375682685669 in words is "three hundred seventy-five billion, six hundred eighty-two million, six hundred eighty-five thousand, six hundred sixty-nine".