1957274783 has 2 divisors, whose sum is σ = 1957274784. Its totient is φ = 1957274782.

The previous prime is 1957274777. The next prime is 1957274831. The reversal of 1957274783 is 3874727591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1957274783 - 2¹² = 1957270687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1957274483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978637391 + 978637392.

It is an arithmetic number, because the mean of its divisors is an integer number (978637392).

Almost surely, 2^1957274783 is an apocalyptic number.

1957274783 is a deficient number, since it is larger than the sum of its proper divisors (1).

1957274783 is an equidigital number, since it uses as much as digits as its factorization.

1957274783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2963520, while the sum is 53.

The square root of 1957274783 is about 44241.0983475772. The cubic root of 1957274783 is about 1250.8846607925.

The spelling of 1957274783 in words is "one billion, nine hundred fifty-seven million, two hundred seventy-four thousand, seven hundred eighty-three".