6450942394 has 32 divisors (see below), whose sum is σ = 10675316736. Its totient is φ = 2905398720.

The previous prime is 6450942373. The next prime is 6450942401. The reversal of 6450942394 is 4932490546.

It is a super-2 number, since 2×6450942394² = 83229315541412902472, which contains 22 as substring.

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, 185409 + ... + 217435.

It is an arithmetic number, because the mean of its divisors is an integer number (333603648).

Almost surely, 2^6450942394 is an apocalyptic number.

6450942394 is a deficient number, since it is larger than the sum of its proper divisors (4224374342).

6450942394 is a wasteful number, since it uses less digits than its factorization.

6450942394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32230.

The product of its (nonzero) digits is 933120, while the sum is 46.

The square root of 6450942394 is about 80317.7588955270. The cubic root of 6450942394 is about 1861.5486383666.

The spelling of 6450942394 in words is "six billion, four hundred fifty million, nine hundred forty-two thousand, three hundred ninety-four".