2406602639 has 4 divisors (see below), whose sum is σ = 2750403024. Its totient is φ = 2062802256.

The previous prime is 2406602593. The next prime is 2406602651. The reversal of 2406602639 is 9362066042.

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

It is a cyclic number.

It is not a de Polignac number, because 2406602639 - 2⁸ = 2406602383 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 (2406602659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171900182 + ... + 171900195.

It is an arithmetic number, because the mean of its divisors is an integer number (687600756).

Almost surely, 2^2406602639 is an apocalyptic number.

2406602639 is a deficient number, since it is larger than the sum of its proper divisors (343800385).

2406602639 is an equidigital number, since it uses as much as digits as its factorization.

2406602639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343800384.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 2406602639 is about 49057.1364737079. The cubic root of 2406602639 is about 1340.0925604363.

The spelling of 2406602639 in words is "two billion, four hundred six million, six hundred two thousand, six hundred thirty-nine".