2665869355 has 8 divisors (see below), whose sum is σ = 3210937200. Its totient is φ = 2124766176.

The previous prime is 2665869337. The next prime is 2665869359. The reversal of 2665869355 is 5539685662.

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 2665869355 - 2¹⁵ = 2665836587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2665869296 and 2665869305.

It is not an unprimeable number, because it can be changed into a prime (2665869359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 989685 + ... + 992374.

It is an arithmetic number, because the mean of its divisors is an integer number (401367150).

Almost surely, 2^2665869355 is an apocalyptic number.

2665869355 is a deficient number, since it is larger than the sum of its proper divisors (545067845).

2665869355 is a wasteful number, since it uses less digits than its factorization.

2665869355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982333.

The product of its digits is 11664000, while the sum is 55.

The square root of 2665869355 is about 51632.0574352795. The cubic root of 2665869355 is about 1386.5843286665.

The spelling of 2665869355 in words is "two billion, six hundred sixty-five million, eight hundred sixty-nine thousand, three hundred fifty-five".