6344421354 has 12 divisors (see below), whose sum is σ = 13746246306. Its totient is φ = 2114807112.

The previous prime is 6344421319. The next prime is 6344421389. The reversal of 6344421354 is 4531244436.

6344421354 is a `hidden beast` number, since 634 + 4 + 4 + 2 + 13 + 5 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (6344421319) and next prime (6344421389).

It can be written as a sum of positive squares in only one way, i.e., 3591005625 + 2753415729 = 59925^2 + 52473^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 176233909 + ... + 176233944.

Almost surely, 2^6344421354 is an apocalyptic number.

6344421354 is an abundant number, since it is smaller than the sum of its proper divisors (7401824952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6344421354 is a wasteful number, since it uses less digits than its factorization.

6344421354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352467861 (or 352467858 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 6344421354 is about 79651.8760231044. The cubic root of 6344421354 is about 1851.2454582999.

The spelling of 6344421354 in words is "six billion, three hundred forty-four million, four hundred twenty-one thousand, three hundred fifty-four".