1957652993 has 2 divisors, whose sum is σ = 1957652994. Its totient is φ = 1957652992.

The previous prime is 1957652923. The next prime is 1957653001. The reversal of 1957652993 is 3992567591.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1936704064 + 20948929 = 44008^2 + 4577^2 .

It is a cyclic number.

It is not a de Polignac number, because 1957652993 - 2⁸ = 1957652737 is a prime.

It is not a weakly prime, because it can be changed into another prime (1957652923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978826496 + 978826497.

It is an arithmetic number, because the mean of its divisors is an integer number (978826497).

Almost surely, 2^1957652993 is an apocalyptic number.

It is an amenable number.

1957652993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1957652993 is an equidigital number, since it uses as much as digits as its factorization.

1957652993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4592700, while the sum is 56.

The square root of 1957652993 is about 44245.3725603028. The cubic root of 1957652993 is about 1250.9652263187.

The spelling of 1957652993 in words is "one billion, nine hundred fifty-seven million, six hundred fifty-two thousand, nine hundred ninety-three".