2539648630 has 8 divisors (see below), whose sum is σ = 4571367552. Its totient is φ = 1015859448.

The previous prime is 2539648627. The next prime is 2539648633. The reversal of 2539648630 is 368469352.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2539648627) and next prime (2539648633).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2539648633) 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, 126982422 + ... + 126982441.

It is an arithmetic number, because the mean of its divisors is an integer number (571420944).

Almost surely, 2^2539648630 is an apocalyptic number.

2539648630 is a deficient number, since it is larger than the sum of its proper divisors (2031718922).

2539648630 is a wasteful number, since it uses less digits than its factorization.

2539648630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253964870.

The product of its (nonzero) digits is 933120, while the sum is 46.

The square root of 2539648630 is about 50394.9266295725. The cubic root of 2539648630 is about 1364.3460718499.

The spelling of 2539648630 in words is "two billion, five hundred thirty-nine million, six hundred forty-eight thousand, six hundred thirty".