1653742497 has 8 divisors (see below), whose sum is σ = 2405443680. Its totient is φ = 1002268160.

The previous prime is 1653742483. The next prime is 1653742499. The reversal of 1653742497 is 7942473561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1653742497 - 2¹⁶ = 1653676961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1653742499) 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 in 7 ways as a sum of consecutive naturals, for example, 25056672 + ... + 25056737.

It is an arithmetic number, because the mean of its divisors is an integer number (300680460).

Almost surely, 2^1653742497 is an apocalyptic number.

It is an amenable number.

1653742497 is a deficient number, since it is larger than the sum of its proper divisors (751701183).

1653742497 is a wasteful number, since it uses less digits than its factorization.

1653742497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50113423.

The product of its digits is 1270080, while the sum is 48.

The square root of 1653742497 is about 40666.2328842985. The cubic root of 1653742497 is about 1182.5584860530.

The spelling of 1653742497 in words is "one billion, six hundred fifty-three million, seven hundred forty-two thousand, four hundred ninety-seven".