2431652638 has 16 divisors (see below), whose sum is σ = 3711664224. Its totient is φ = 1194478560.

The previous prime is 2431652633. The next prime is 2431652653. The reversal of 2431652638 is 8362561342.

It is a self number, because there is not a number n which added to its sum of digits gives 2431652638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431652633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95631 + ... + 118357.

It is an arithmetic number, because the mean of its divisors is an integer number (231979014).

Almost surely, 2^2431652638 is an apocalyptic number.

2431652638 is a deficient number, since it is larger than the sum of its proper divisors (1280011586).

2431652638 is a wasteful number, since it uses less digits than its factorization.

2431652638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23667.

The product of its digits is 207360, while the sum is 40.

The square root of 2431652638 is about 49311.7900506562. The cubic root of 2431652638 is about 1344.7261343147.

The spelling of 2431652638 in words is "two billion, four hundred thirty-one million, six hundred fifty-two thousand, six hundred thirty-eight".