394611041437 has 2 divisors, whose sum is σ = 394611041438. Its totient is φ = 394611041436.

The previous prime is 394611041431. The next prime is 394611041441. The reversal of 394611041437 is 734140116493.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 391367852836 + 3243188601 = 625594^2 + 56949^2 .

It is a cyclic number.

It is not a de Polignac number, because 394611041437 - 2⁷ = 394611041309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 394611041393 and 394611041402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (394611041431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197305520718 + 197305520719.

It is an arithmetic number, because the mean of its divisors is an integer number (197305520719).

Almost surely, 2^394611041437 is an apocalyptic number.

It is an amenable number.

394611041437 is a deficient number, since it is larger than the sum of its proper divisors (1).

394611041437 is an equidigital number, since it uses as much as digits as its factorization.

394611041437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 394611041437 in words is "three hundred ninety-four billion, six hundred eleven million, forty-one thousand, four hundred thirty-seven".