2594643655 has 8 divisors (see below), whose sum is σ = 3138089472. Its totient is φ = 2059370208.

The previous prime is 2594643643. The next prime is 2594643677. The reversal of 2594643655 is 5563464952.

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

It is a cyclic number.

It is not a de Polignac number, because 2594643655 - 2²¹ = 2592546503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2594643599 and 2594643608.

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, 2042392 + ... + 2043661.

It is an arithmetic number, because the mean of its divisors is an integer number (392261184).

Almost surely, 2^2594643655 is an apocalyptic number.

2594643655 is a deficient number, since it is larger than the sum of its proper divisors (543445817).

2594643655 is a wasteful number, since it uses less digits than its factorization.

2594643655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086185.

The product of its digits is 3888000, while the sum is 49.

The square root of 2594643655 is about 50937.6447728004. The cubic root of 2594643655 is about 1374.1239431114.

The spelling of 2594643655 in words is "two billion, five hundred ninety-four million, six hundred forty-three thousand, six hundred fifty-five".