1957253307299 has 2 divisors, whose sum is σ = 1957253307300. Its totient is φ = 1957253307298.

The previous prime is 1957253307197. The next prime is 1957253307301. The reversal of 1957253307299 is 9927033527591.

It is a strong prime.

It is an emirp because it is prime and its reverse (9927033527591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1957253307299 - 2¹⁶ = 1957253241763 is a prime.

Together with 1957253307301, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1957253307599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978626653649 + 978626653650.

It is an arithmetic number, because the mean of its divisors is an integer number (978626653650).

Almost surely, 2^{1957253307299} is an apocalyptic number.

1957253307299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1957253307299 is an equidigital number, since it uses as much as digits as its factorization.

1957253307299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32148900, while the sum is 62.

The spelling of 1957253307299 in words is "one trillion, nine hundred fifty-seven billion, two hundred fifty-three million, three hundred seven thousand, two hundred ninety-nine".