6425584615 has 4 divisors (see below), whose sum is σ = 7710701544. Its totient is φ = 5140467688.

The previous prime is 6425584609. The next prime is 6425584637. The reversal of 6425584615 is 5164855246.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5164855246 = 2 ⋅2582427623.

It is a cyclic number.

It is not a de Polignac number, because 6425584615 - 2¹⁷ = 6425453543 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 642558457 + ... + 642558466.

It is an arithmetic number, because the mean of its divisors is an integer number (1927675386).

Almost surely, 2^6425584615 is an apocalyptic number.

6425584615 is a deficient number, since it is larger than the sum of its proper divisors (1285116929).

6425584615 is a wasteful number, since it uses less digits than its factorization.

6425584615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285116928.

The product of its digits is 1152000, while the sum is 46.

The square root of 6425584615 is about 80159.7443546323. The cubic root of 6425584615 is about 1859.1062703467.

The spelling of 6425584615 in words is "six billion, four hundred twenty-five million, five hundred eighty-four thousand, six hundred fifteen".