394030957337 has 2 divisors, whose sum is σ = 394030957338. Its totient is φ = 394030957336.

The previous prime is 394030957289. The next prime is 394030957349. The reversal of 394030957337 is 733759030493.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 384618270976 + 9412686361 = 620176^2 + 97019^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-394030957337 is a prime.

It is a super-4 number, since 4×394030957337⁴ (a number of 47 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (394030954337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197015478668 + 197015478669.

It is an arithmetic number, because the mean of its divisors is an integer number (197015478669).

Almost surely, 2^394030957337 is an apocalyptic number.

It is an amenable number.

394030957337 is a deficient number, since it is larger than the sum of its proper divisors (1).

394030957337 is an equidigital number, since it uses as much as digits as its factorization.

394030957337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6429780, while the sum is 53.

The spelling of 394030957337 in words is "three hundred ninety-four billion, thirty million, nine hundred fifty-seven thousand, three hundred thirty-seven".