2665242440499 has 8 divisors (see below), whose sum is σ = 3740691144640. Its totient is φ = 1683311015016.

The previous prime is 2665242440477. The next prime is 2665242440551. The reversal of 2665242440499 is 9940442425662.

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

It is not a de Polignac number, because 2665242440499 - 2⁸ = 2665242440243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 46758639307 = 2665242440499 / (2 + 6 + 6 + 5 + 2 + 4 + 2 + 4 + 4 + 0 + 4 + 9 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2665242420499) 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, 23379319597 + ... + 23379319710.

It is an arithmetic number, because the mean of its divisors is an integer number (467586393080).

Almost surely, 2^{2665242440499} is an apocalyptic number.

2665242440499 is a deficient number, since it is larger than the sum of its proper divisors (1075448704141).

2665242440499 is a wasteful number, since it uses less digits than its factorization.

2665242440499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46758639329.

The product of its (nonzero) digits is 29859840, while the sum is 57.

The spelling of 2665242440499 in words is "two trillion, six hundred sixty-five billion, two hundred forty-two million, four hundred forty thousand, four hundred ninety-nine".