6425116789 has 8 divisors (see below), whose sum is σ = 7907836160. Its totient is φ = 5083608816.

The previous prime is 6425116787. The next prime is 6425116843. The reversal of 6425116789 is 9876115246.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6425116789 - 2¹ = 6425116787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6425116787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35302749 + ... + 35302930.

It is an arithmetic number, because the mean of its divisors is an integer number (988479520).

Almost surely, 2^6425116789 is an apocalyptic number.

It is an amenable number.

6425116789 is a deficient number, since it is larger than the sum of its proper divisors (1482719371).

6425116789 is a wasteful number, since it uses less digits than its factorization.

6425116789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70605699.

The product of its digits is 725760, while the sum is 49.

The square root of 6425116789 is about 80156.8262158626. The cubic root of 6425116789 is about 1859.0611507500.

The spelling of 6425116789 in words is "six billion, four hundred twenty-five million, one hundred sixteen thousand, seven hundred eighty-nine".