2652023639 has 4 divisors (see below), whose sum is σ = 2743472760. Its totient is φ = 2560574520.

The previous prime is 2652023599. The next prime is 2652023663. The reversal of 2652023639 is 9363202562.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2652023639 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 (2652023039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45724517 + ... + 45724574.

It is an arithmetic number, because the mean of its divisors is an integer number (685868190).

Almost surely, 2^2652023639 is an apocalyptic number.

2652023639 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2652023639 is a deficient number, since it is larger than the sum of its proper divisors (91449121).

2652023639 is an equidigital number, since it uses as much as digits as its factorization.

2652023639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91449120.

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 2652023639 is about 51497.8022734951. The cubic root of 2652023639 is about 1384.1796614792.

The spelling of 2652023639 in words is "two billion, six hundred fifty-two million, twenty-three thousand, six hundred thirty-nine".