2042397653 has 2 divisors, whose sum is σ = 2042397654. Its totient is φ = 2042397652.

The previous prime is 2042397641. The next prime is 2042397667. The reversal of 2042397653 is 3567932402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1670602129 + 371795524 = 40873^2 + 19282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2042397653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2042397653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2042397853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021198826 + 1021198827.

It is an arithmetic number, because the mean of its divisors is an integer number (1021198827).

Almost surely, 2^2042397653 is an apocalyptic number.

It is an amenable number.

2042397653 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042397653 is an equidigital number, since it uses as much as digits as its factorization.

2042397653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 41.

The square root of 2042397653 is about 45192.8938329910. The cubic root of 2042397653 is about 1268.7618190459.

The spelling of 2042397653 in words is "two billion, forty-two million, three hundred ninety-seven thousand, six hundred fifty-three".