6393654489 has 32 divisors (see below), whose sum is σ = 9280552960. Its totient is φ = 3900441600.

The previous prime is 6393654467. The next prime is 6393654497. The reversal of 6393654489 is 9844563936.

It is not a de Polignac number, because 6393654489 - 2⁷ = 6393654361 is a prime.

It is a super-2 number, since 2×6393654489² = 81757635449419702242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6393654089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1016424 + ... + 1022694.

It is an arithmetic number, because the mean of its divisors is an integer number (290017280).

Almost surely, 2^6393654489 is an apocalyptic number.

It is an amenable number.

6393654489 is a deficient number, since it is larger than the sum of its proper divisors (2886898471).

6393654489 is a wasteful number, since it uses less digits than its factorization.

6393654489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6901.

The product of its digits is 16796160, while the sum is 57.

The square root of 6393654489 is about 79960.3307209269. The cubic root of 6393654489 is about 1856.0217211007.

The spelling of 6393654489 in words is "six billion, three hundred ninety-three million, six hundred fifty-four thousand, four hundred eighty-nine".