307475614806397 has 2 divisors, whose sum is σ = 307475614806398. Its totient is φ = 307475614806396.

The previous prime is 307475614806299. The next prime is 307475614806443. The reversal of 307475614806397 is 793608416574703.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183382676436996 + 124092938369401 = 13541886^2 + 11139701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-307475614806397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (307475614806097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153737807403198 + 153737807403199.

It is an arithmetic number, because the mean of its divisors is an integer number (153737807403199).

Almost surely, 2^{307475614806397} is an apocalyptic number.

It is an amenable number.

307475614806397 is a deficient number, since it is larger than the sum of its proper divisors (1).

307475614806397 is an equidigital number, since it uses as much as digits as its factorization.

307475614806397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640120320, while the sum is 70.

The spelling of 307475614806397 in words is "three hundred seven trillion, four hundred seventy-five billion, six hundred fourteen million, eight hundred six thousand, three hundred ninety-seven".