42204820653 has 24 divisors (see below), whose sum is σ = 64562100408. Its totient is φ = 26475896832.

The previous prime is 42204820649. The next prime is 42204820661. The reversal of 42204820653 is 35602840224.

It can be written as a sum of positive squares in 4 ways, for example, as 17298299529 + 24906521124 = 131523^2 + 157818^2 .

It is not a de Polignac number, because 42204820653 - 2² = 42204820649 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42204820643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 774925 + ... + 827597.

It is an arithmetic number, because the mean of its divisors is an integer number (2690087517).

Almost surely, 2^42204820653 is an apocalyptic number.

It is an amenable number.

42204820653 is a deficient number, since it is larger than the sum of its proper divisors (22357279755).

42204820653 is a wasteful number, since it uses less digits than its factorization.

42204820653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57933 (or 57930 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 42204820653 in words is "forty-two billion, two hundred four million, eight hundred twenty thousand, six hundred fifty-three".