6406233418 has 8 divisors (see below), whose sum is σ = 10348530948. Its totient is φ = 2956723104.

The previous prime is 6406233409. The next prime is 6406233419. The reversal of 6406233418 is 8143326046.

It can be written as a sum of positive squares in 2 ways, for example, as 6404320729 + 1912689 = 80027^2 + 1383^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6406233419) 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, 123196771 + ... + 123196822.

Almost surely, 2^6406233418 is an apocalyptic number.

6406233418 is a deficient number, since it is larger than the sum of its proper divisors (3942297530).

6406233418 is a wasteful number, since it uses less digits than its factorization.

6406233418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246393608.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 6406233418 is about 80038.9493809108. The cubic root of 6406233418 is about 1857.2381079278.

The spelling of 6406233418 in words is "six billion, four hundred six million, two hundred thirty-three thousand, four hundred eighteen".