192162989 has 2 divisors, whose sum is σ = 192162990. Its totient is φ = 192162988.

The previous prime is 192162977. The next prime is 192163009. The reversal of 192162989 is 989261291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133518025 + 58644964 = 11555^2 + 7658^2 .

It is an emirp because it is prime and its reverse (989261291) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-192162989 is a prime.

It is a super-2 number, since 2×192162989² = 73853228682828242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (192162589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96081494 + 96081495.

It is an arithmetic number, because the mean of its divisors is an integer number (96081495).

Almost surely, 2^192162989 is an apocalyptic number.

It is an amenable number.

192162989 is a deficient number, since it is larger than the sum of its proper divisors (1).

192162989 is an equidigital number, since it uses as much as digits as its factorization.

192162989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 47.

The square root of 192162989 is about 13862.2865718467. The cubic root of 192162989 is about 577.0630255739.

The spelling of 192162989 in words is "one hundred ninety-two million, one hundred sixty-two thousand, nine hundred eighty-nine".