2431643642 has 16 divisors (see below), whose sum is σ = 3700795392. Its totient is φ = 1198063440.

The previous prime is 2431643639. The next prime is 2431643699. The reversal of 2431643642 is 2463461342.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378368 + ... + 384740.

It is an arithmetic number, because the mean of its divisors is an integer number (231299712).

Almost surely, 2^2431643642 is an apocalyptic number.

2431643642 is a deficient number, since it is larger than the sum of its proper divisors (1269151750).

2431643642 is a wasteful number, since it uses less digits than its factorization.

2431643642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9133.

The product of its digits is 82944, while the sum is 35.

The square root of 2431643642 is about 49311.6988350635. The cubic root of 2431643642 is about 1344.7244760226.

The spelling of 2431643642 in words is "two billion, four hundred thirty-one million, six hundred forty-three thousand, six hundred forty-two".