2097724705492 has 24 divisors (see below), whose sum is σ = 3970371675816. Its totient is φ = 964025346048.

The previous prime is 2097724705457. The next prime is 2097724705499. The reversal of 2097724705492 is 2945074277902.

It can be written as a sum of positive squares in 4 ways, for example, as 226836923076 + 1870887782416 = 476274^2 + 1367804^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097724705499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86556253 + ... + 86580484.

It is an arithmetic number, because the mean of its divisors is an integer number (165432153159).

Almost surely, 2^{2097724705492} is an apocalyptic number.

It is an amenable number.

2097724705492 is a deficient number, since it is larger than the sum of its proper divisors (1872646970324).

2097724705492 is a wasteful number, since it uses less digits than its factorization.

2097724705492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173136987 (or 173136985 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 58.

The spelling of 2097724705492 in words is "two trillion, ninety-seven billion, seven hundred twenty-four million, seven hundred five thousand, four hundred ninety-two".