6450309398 has 16 divisors (see below), whose sum is σ = 10779032880. Its totient is φ = 2874408096.

The previous prime is 6450309347. The next prime is 6450309401. The reversal of 6450309398 is 8939030546.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4276640 + ... + 4278147.

It is an arithmetic number, because the mean of its divisors is an integer number (673689555).

Almost surely, 2^6450309398 is an apocalyptic number.

6450309398 is a deficient number, since it is larger than the sum of its proper divisors (4328723482).

6450309398 is a wasteful number, since it uses less digits than its factorization.

6450309398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8554831.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 6450309398 is about 80313.8182257574. The cubic root of 6450309398 is about 1861.4877484834.

The spelling of 6450309398 in words is "six billion, four hundred fifty million, three hundred nine thousand, three hundred ninety-eight".