92490540561 has 24 divisors (see below), whose sum is σ = 141485468904. Its totient is φ = 58021240320.

The previous prime is 92490540551. The next prime is 92490540577. The reversal of 92490540561 is 16504509429.

92490540561 is a `hidden beast` number, since 9 + 2 + 49 + 0 + 5 + 40 + 561 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 61635510225 + 30855030336 = 248265^2 + 175656^2 .

It is not a de Polignac number, because 92490540561 - 2⁶ = 92490540497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (92490540551) 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 in 23 ways as a sum of consecutive naturals, for example, 708015 + ... + 828411.

It is an arithmetic number, because the mean of its divisors is an integer number (5895227871).

Almost surely, 2^92490540561 is an apocalyptic number.

It is an amenable number.

92490540561 is a deficient number, since it is larger than the sum of its proper divisors (48994928343).

92490540561 is a wasteful number, since it uses less digits than its factorization.

92490540561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125441 (or 125438 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 92490540561 in words is "ninety-two billion, four hundred ninety million, five hundred forty thousand, five hundred sixty-one".