6450942393 has 12 divisors (see below), whose sum is σ = 10649174848. Its totient is φ = 3686252760.

The previous prime is 6450942373. The next prime is 6450942401. The reversal of 6450942393 is 3932490546.

6450942393 is a `hidden beast` number, since 6 + 450 + 94 + 23 + 93 = 666.

It is not a de Polignac number, because 6450942393 - 2⁵ = 6450942361 is a prime.

It is a super-2 number, since 2×6450942393² = 83229315515609132898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6450942373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51197893 + ... + 51198018.

Almost surely, 2^6450942393 is an apocalyptic number.

6450942393 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

6450942393 is a deficient number, since it is larger than the sum of its proper divisors (4198232455).

6450942393 is a wasteful number, since it uses less digits than its factorization.

6450942393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102395924 (or 102395921 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The square root of 6450942393 is about 80317.7588893017. The cubic root of 6450942393 is about 1861.5486382704.

The spelling of 6450942393 in words is "six billion, four hundred fifty million, nine hundred forty-two thousand, three hundred ninety-three".