6425616205 has 8 divisors (see below), whose sum is σ = 7890059232. Its totient is φ = 5020946448.

The previous prime is 6425616187. The next prime is 6425616269. The reversal of 6425616205 is 5026165246.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6425616205 is a prime.

It is a super-2 number, since 2×6425616205² = 82577087227917204050, which contains 22 as substring.

It is a Duffinian number.

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, 14943079 + ... + 14943508.

It is an arithmetic number, because the mean of its divisors is an integer number (986257404).

Almost surely, 2^6425616205 is an apocalyptic number.

It is an amenable number.

6425616205 is a deficient number, since it is larger than the sum of its proper divisors (1464443027).

6425616205 is a wasteful number, since it uses less digits than its factorization.

6425616205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29886635.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 6425616205 is about 80159.9413984317. The cubic root of 6425616205 is about 1859.1093169732.

The spelling of 6425616205 in words is "six billion, four hundred twenty-five million, six hundred sixteen thousand, two hundred five".