1992100057 has 2 divisors, whose sum is σ = 1992100058. Its totient is φ = 1992100056.

The previous prime is 1992100039. The next prime is 1992100067. The reversal of 1992100057 is 7500012991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1981051081 + 11048976 = 44509^2 + 3324^2 .

It is a cyclic number.

It is not a de Polignac number, because 1992100057 - 2²³ = 1983711449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1992099995 and 1992100031.

It is not a weakly prime, because it can be changed into another prime (1992100067) 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, 996050028 + 996050029.

It is an arithmetic number, because the mean of its divisors is an integer number (996050029).

Almost surely, 2^1992100057 is an apocalyptic number.

It is an amenable number.

1992100057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1992100057 is an equidigital number, since it uses as much as digits as its factorization.

1992100057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 1992100057 is about 44632.9481101126. The cubic root of 1992100057 is about 1258.2599768278.

The spelling of 1992100057 in words is "one billion, nine hundred ninety-two million, one hundred thousand, fifty-seven".