7610663021 has 6 divisors (see below), whose sum is σ = 8241132330. Its totient is φ = 7025227248.

The previous prime is 7610663017. The next prime is 7610663033. The reversal of 7610663021 is 1203660167.

It can be written as a sum of positive squares in 3 ways, for example, as 1048852996 + 6561810025 = 32386^2 + 81005^2 .

It is not a de Polignac number, because 7610663021 - 2² = 7610663017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7610663321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22516586 + ... + 22516923.

It is an arithmetic number, because the mean of its divisors is an integer number (1373522055).

Almost surely, 2^7610663021 is an apocalyptic number.

It is an amenable number.

7610663021 is a deficient number, since it is larger than the sum of its proper divisors (630469309).

7610663021 is a wasteful number, since it uses less digits than its factorization.

7610663021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45033535 (or 45033522 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 7610663021 is about 87239.1140544194. The cubic root of 7610663021 is about 1967.0142115115.

The spelling of 7610663021 in words is "seven billion, six hundred ten million, six hundred sixty-three thousand, twenty-one".