2331643406 has 24 divisors (see below), whose sum is σ = 3696013944. Its totient is φ = 1103032080.

The previous prime is 2331643403. The next prime is 2331643409. The reversal of 2331643406 is 6043461332.

It is an interprime number because it is at equal distance from previous prime (2331643403) and next prime (2331643409).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331643403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 735581 + ... + 738743.

It is an arithmetic number, because the mean of its divisors is an integer number (154000581).

Almost surely, 2^2331643406 is an apocalyptic number.

2331643406 is a deficient number, since it is larger than the sum of its proper divisors (1364370538).

2331643406 is a wasteful number, since it uses less digits than its factorization.

2331643406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224 (or 4205 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 2331643406 is about 48287.0935758200. The cubic root of 2331643406 is about 1326.0321197006.

The spelling of 2331643406 in words is "two billion, three hundred thirty-one million, six hundred forty-three thousand, four hundred six".