6406914399 has 8 divisors (see below), whose sum is σ = 8992160640. Its totient is φ = 4046472216.

The previous prime is 6406914383. The next prime is 6406914427. The reversal of 6406914399 is 9934196046.

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

It is not a de Polignac number, because 6406914399 - 2⁴ = 6406914383 is a prime.

It is a super-2 number, since 2×6406914399² = 82097104232227062402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6406914359) 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, 56200947 + ... + 56201060.

It is an arithmetic number, because the mean of its divisors is an integer number (1124020080).

Almost surely, 2^6406914399 is an apocalyptic number.

6406914399 is a deficient number, since it is larger than the sum of its proper divisors (2585246241).

6406914399 is a wasteful number, since it uses less digits than its factorization.

6406914399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112402029.

The product of its (nonzero) digits is 1259712, while the sum is 51.

The square root of 6406914399 is about 80043.2033279528. The cubic root of 6406914399 is about 1857.3039135773.

The spelling of 6406914399 in words is "six billion, four hundred six million, nine hundred fourteen thousand, three hundred ninety-nine".