162799489 has 2 divisors, whose sum is σ = 162799490. Its totient is φ = 162799488.

The previous prime is 162799459. The next prime is 162799501. The reversal of 162799489 is 984997261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152769600 + 10029889 = 12360^2 + 3167^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162799489 is a prime.

It is a super-2 number, since 2×162799489² = 53007347237322242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (162799409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81399744 + 81399745.

It is an arithmetic number, because the mean of its divisors is an integer number (81399745).

Almost surely, 2^162799489 is an apocalyptic number.

It is an amenable number.

162799489 is a deficient number, since it is larger than the sum of its proper divisors (1).

162799489 is an equidigital number, since it uses as much as digits as its factorization.

162799489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 55.

The square root of 162799489 is about 12759.2903015803. The cubic root of 162799489 is about 546.0314769833.

The spelling of 162799489 in words is "one hundred sixty-two million, seven hundred ninety-nine thousand, four hundred eighty-nine".