2623039668 has 36 divisors (see below), whose sum is σ = 6809666500. Its totient is φ = 850715136.

The previous prime is 2623039651. The next prime is 2623039681. The reversal of 2623039668 is 8669303262.

2623039668 is a `hidden beast` number, since 26 + 230 + 396 + 6 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1656327204 + 966712464 = 40698^2 + 31092^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 983293 + ... + 985956.

Almost surely, 2^2623039668 is an apocalyptic number.

It is an amenable number.

2623039668 is an abundant number, since it is smaller than the sum of its proper divisors (4186626832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2623039668 is a wasteful number, since it uses less digits than its factorization.

2623039668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969296 (or 1969291 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The square root of 2623039668 is about 51215.6193753429. The cubic root of 2623039668 is about 1379.1186117316.

The spelling of 2623039668 in words is "two billion, six hundred twenty-three million, thirty-nine thousand, six hundred sixty-eight".