6531008398 has 8 divisors (see below), whose sum is σ = 9798679800. Its totient is φ = 3264781800.

The previous prime is 6531008329. The next prime is 6531008411. The reversal of 6531008398 is 8938001356.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349828 + ... + 368023.

It is an arithmetic number, because the mean of its divisors is an integer number (1224834975).

Almost surely, 2^6531008398 is an apocalyptic number.

6531008398 is a deficient number, since it is larger than the sum of its proper divisors (3267671402).

6531008398 is a wasteful number, since it uses less digits than its factorization.

6531008398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722402.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 6531008398 is about 80814.6545992743. The cubic root of 6531008398 is about 1869.2185433377.

The spelling of 6531008398 in words is "six billion, five hundred thirty-one million, eight thousand, three hundred ninety-eight".