1892966889157 has 2 divisors, whose sum is σ = 1892966889158. Its totient is φ = 1892966889156.

The previous prime is 1892966889113. The next prime is 1892966889181. The reversal of 1892966889157 is 7519886692981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1470032577601 + 422934311556 = 1212449^2 + 650334^2 .

It is a cyclic number.

It is not a de Polignac number, because 1892966889157 - 2⁷ = 1892966889029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1892966889557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 946483444578 + 946483444579.

It is an arithmetic number, because the mean of its divisors is an integer number (946483444579).

Almost surely, 2^{1892966889157} is an apocalyptic number.

It is an amenable number.

1892966889157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1892966889157 is an equidigital number, since it uses as much as digits as its factorization.

1892966889157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 940584960, while the sum is 79.

The spelling of 1892966889157 in words is "one trillion, eight hundred ninety-two billion, nine hundred sixty-six million, eight hundred eighty-nine thousand, one hundred fifty-seven".