2604888395421 has 32 divisors (see below), whose sum is σ = 3792905733120. Its totient is φ = 1580500698624.

The previous prime is 2604888395387. The next prime is 2604888395429. The reversal of 2604888395421 is 1245938884062.

It is not a de Polignac number, because 2604888395421 - 2¹⁰ = 2604888394397 is a prime.

It is a super-3 number, since 3×2604888395421³ (a number of 38 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2604888395429) 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, 8124660 + ... + 8439186.

It is an arithmetic number, because the mean of its divisors is an integer number (118528304160).

Almost surely, 2^{2604888395421} is an apocalyptic number.

It is an amenable number.

2604888395421 is a deficient number, since it is larger than the sum of its proper divisors (1188017337699).

2604888395421 is a wasteful number, since it uses less digits than its factorization.

2604888395421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317525.

The product of its (nonzero) digits is 26542080, while the sum is 60.

The spelling of 2604888395421 in words is "two trillion, six hundred four billion, eight hundred eighty-eight million, three hundred ninety-five thousand, four hundred twenty-one".