2665213140479 has 8 divisors (see below), whose sum is σ = 2670736069248. Its totient is φ = 2659690598040.

The previous prime is 2665213140451. The next prime is 2665213140533. The reversal of 2665213140479 is 9740413125662.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2665213140479 is a prime.

It is a super-2 number, since 2×2665213140479² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665213142479) 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, 16745894 + ... + 16904300.

It is an arithmetic number, because the mean of its divisors is an integer number (333842008656).

Almost surely, 2^{2665213140479} is an apocalyptic number.

2665213140479 is a deficient number, since it is larger than the sum of its proper divisors (5522928769).

2665213140479 is a wasteful number, since it uses less digits than its factorization.

2665213140479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193165.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 2665213140479 in words is "two trillion, six hundred sixty-five billion, two hundred thirteen million, one hundred forty thousand, four hundred seventy-nine".