6334998421 has 8 divisors (see below), whose sum is σ = 6370481664. Its totient is φ = 6299539680.

The previous prime is 6334998407. The next prime is 6334998431. The reversal of 6334998421 is 1248994336.

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

It is a cyclic number.

It is not a de Polignac number, because 6334998421 - 2⁹ = 6334997909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6334998431) 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, 806505 + ... + 814321.

It is an arithmetic number, because the mean of its divisors is an integer number (796310208).

Almost surely, 2^6334998421 is an apocalyptic number.

It is an amenable number.

6334998421 is a deficient number, since it is larger than the sum of its proper divisors (35483243).

6334998421 is a wasteful number, since it uses less digits than its factorization.

6334998421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12251.

The product of its digits is 1119744, while the sum is 49.

The square root of 6334998421 is about 79592.7033150653. The cubic root of 6334998421 is about 1850.3284949666.

The spelling of 6334998421 in words is "six billion, three hundred thirty-four million, nine hundred ninety-eight thousand, four hundred twenty-one".