2666900439 has 96 divisors (see below), whose sum is σ = 4874388480. Its totient is φ = 1369944576.

The previous prime is 2666900437. The next prime is 2666900447. The reversal of 2666900439 is 9340096662.

It is not a de Polignac number, because 2666900439 - 2¹ = 2666900437 is a prime.

It is a super-2 number, since 2×2666900439² = 14224715903076785442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2666900394 and 2666900403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666900437) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4322059 + ... + 4322675.

It is an arithmetic number, because the mean of its divisors is an integer number (50774880).

Almost surely, 2^2666900439 is an apocalyptic number.

2666900439 is a deficient number, since it is larger than the sum of its proper divisors (2207488041).

2666900439 is a wasteful number, since it uses less digits than its factorization.

2666900439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The square root of 2666900439 is about 51642.0413907119. The cubic root of 2666900439 is about 1386.7630696879.

The spelling of 2666900439 in words is "two billion, six hundred sixty-six million, nine hundred thousand, four hundred thirty-nine".