162815746949 has 2 divisors, whose sum is σ = 162815746950. Its totient is φ = 162815746948.

The previous prime is 162815746889. The next prime is 162815746957. The reversal of 162815746949 is 949647518261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153405388900 + 9410358049 = 391670^2 + 97007^2 .

It is a cyclic number.

It is not a de Polignac number, because 162815746949 - 2¹² = 162815742853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 162815746891 and 162815746900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162815746649) 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, 81407873474 + 81407873475.

It is an arithmetic number, because the mean of its divisors is an integer number (81407873475).

Almost surely, 2^162815746949 is an apocalyptic number.

It is an amenable number.

162815746949 is a deficient number, since it is larger than the sum of its proper divisors (1).

162815746949 is an equidigital number, since it uses as much as digits as its factorization.

162815746949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26127360, while the sum is 62.

The spelling of 162815746949 in words is "one hundred sixty-two billion, eight hundred fifteen million, seven hundred forty-six thousand, nine hundred forty-nine".