1957350413 has 2 divisors, whose sum is σ = 1957350414. Its totient is φ = 1957350412.

The previous prime is 1957350397. The next prime is 1957350449. The reversal of 1957350413 is 3140537591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1956912169 + 438244 = 44237^2 + 662^2 .

It is an emirp because it is prime and its reverse (3140537591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1957350413 - 2⁴ = 1957350397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1957350613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978675206 + 978675207.

It is an arithmetic number, because the mean of its divisors is an integer number (978675207).

Almost surely, 2^1957350413 is an apocalyptic number.

It is an amenable number.

1957350413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1957350413 is an equidigital number, since it uses as much as digits as its factorization.

1957350413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 1957350413 is about 44241.9530875390. The cubic root of 1957350413 is about 1250.9007721717.

The spelling of 1957350413 in words is "one billion, nine hundred fifty-seven million, three hundred fifty thousand, four hundred thirteen".