6398325530 has 32 divisors (see below), whose sum is σ = 12198864384. Its totient is φ = 2407910656.

The previous prime is 6398325517. The next prime is 6398325607. The reversal of 6398325530 is 355238936.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 651839 + ... + 661581.

It is an arithmetic number, because the mean of its divisors is an integer number (381214512).

Almost surely, 2^6398325530 is an apocalyptic number.

6398325530 is a deficient number, since it is larger than the sum of its proper divisors (5800538854).

6398325530 is a wasteful number, since it uses less digits than its factorization.

6398325530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13630.

The product of its (nonzero) digits is 583200, while the sum is 44.

The square root of 6398325530 is about 79989.5338778768. The cubic root of 6398325530 is about 1856.4735984622.

The spelling of 6398325530 in words is "six billion, three hundred ninety-eight million, three hundred twenty-five thousand, five hundred thirty".