2569878789652 has 48 divisors (see below), whose sum is σ = 4699861503120. Its totient is φ = 1227973376000.

The previous prime is 2569878789649. The next prime is 2569878789691.

2569878789652 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 76903054596 + 2492975735056 = 277314^2 + 1578916^2 .

It is a super-2 number, since 2×2569878789652² (a number of 26 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40517388 + ... + 40580764.

It is an arithmetic number, because the mean of its divisors is an integer number (97913781315).

Almost surely, 2^{2569878789652} is an apocalyptic number.

It is an amenable number.

2569878789652 is a deficient number, since it is larger than the sum of its proper divisors (2129982713468).

2569878789652 is a wasteful number, since it uses less digits than its factorization.

2569878789652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66972 (or 66970 counting only the distinct ones).

The product of its digits is 7315660800, while the sum is 82.

The spelling of 2569878789652 in words is "two trillion, five hundred sixty-nine billion, eight hundred seventy-eight million, seven hundred eighty-nine thousand, six hundred fifty-two".