395026647313 has 2 divisors, whose sum is σ = 395026647314. Its totient is φ = 395026647312.

The previous prime is 395026647269. The next prime is 395026647343. The reversal of 395026647313 is 313746620593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 391385369664 + 3641277649 = 625608^2 + 60343^2 .

It is a cyclic number.

It is not a de Polignac number, because 395026647313 - 2²⁵ = 394993092881 is a prime.

It is not a weakly prime, because it can be changed into another prime (395026647343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197513323656 + 197513323657.

It is an arithmetic number, because the mean of its divisors is an integer number (197513323657).

Almost surely, 2^395026647313 is an apocalyptic number.

It is an amenable number.

395026647313 is a deficient number, since it is larger than the sum of its proper divisors (1).

395026647313 is an equidigital number, since it uses as much as digits as its factorization.

395026647313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 49.

The spelling of 395026647313 in words is "three hundred ninety-five billion, twenty-six million, six hundred forty-seven thousand, three hundred thirteen".