9412643390 has 16 divisors (see below), whose sum is σ = 17526991680. Its totient is φ = 3635227680.

The previous prime is 9412643381. The next prime is 9412643399. The reversal of 9412643390 is 933462149.

9412643390 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9412643381) and next prime (9412643399).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9412643399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16228406 + ... + 16228985.

It is an arithmetic number, because the mean of its divisors is an integer number (1095436980).

Almost surely, 2^9412643390 is an apocalyptic number.

9412643390 is a deficient number, since it is larger than the sum of its proper divisors (8114348290).

9412643390 is a wasteful number, since it uses less digits than its factorization.

9412643390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32457427.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 9412643390 is about 97018.7785431254. The cubic root of 9412643390 is about 2111.4000867694.

The spelling of 9412643390 in words is "nine billion, four hundred twelve million, six hundred forty-three thousand, three hundred ninety".