992924274521 has 2 divisors, whose sum is σ = 992924274522. Its totient is φ = 992924274520.

The previous prime is 992924274499. The next prime is 992924274571. The reversal of 992924274521 is 125472429299.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 561616846921 + 431307427600 = 749411^2 + 656740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-992924274521 is a prime.

It is a super-2 number, since 2×992924274521² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (992924274571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496462137260 + 496462137261.

It is an arithmetic number, because the mean of its divisors is an integer number (496462137261).

Almost surely, 2^992924274521 is an apocalyptic number.

It is an amenable number.

992924274521 is a deficient number, since it is larger than the sum of its proper divisors (1).

992924274521 is an equidigital number, since it uses as much as digits as its factorization.

992924274521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 56.

The spelling of 992924274521 in words is "nine hundred ninety-two billion, nine hundred twenty-four million, two hundred seventy-four thousand, five hundred twenty-one".