1957227378683 has 2 divisors, whose sum is σ = 1957227378684. Its totient is φ = 1957227378682.

The previous prime is 1957227378593. The next prime is 1957227378721. The reversal of 1957227378683 is 3868737227591.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1957227378683 - 2¹⁶ = 1957227313147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1957227308683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978613689341 + 978613689342.

It is an arithmetic number, because the mean of its divisors is an integer number (978613689342).

Almost surely, 2^{1957227378683} is an apocalyptic number.

1957227378683 is a deficient number, since it is larger than the sum of its proper divisors (1).

1957227378683 is an equidigital number, since it uses as much as digits as its factorization.

1957227378683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 213373440, while the sum is 68.

The spelling of 1957227378683 in words is "one trillion, nine hundred fifty-seven billion, two hundred twenty-seven million, three hundred seventy-eight thousand, six hundred eighty-three".