2665798498 has 8 divisors (see below), whose sum is σ = 4362215760. Its totient is φ = 1211726580.

The previous prime is 2665798493. The next prime is 2665798511. The reversal of 2665798498 is 8948975662.

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

It is a super-3 number, since 3×2665798498³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2665798493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60586308 + ... + 60586351.

It is an arithmetic number, because the mean of its divisors is an integer number (545276970).

Almost surely, 2^2665798498 is an apocalyptic number.

2665798498 is a deficient number, since it is larger than the sum of its proper divisors (1696417262).

2665798498 is a wasteful number, since it uses less digits than its factorization.

2665798498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121172672.

The product of its digits is 52254720, while the sum is 64.

The square root of 2665798498 is about 51631.3712581798. The cubic root of 2665798498 is about 1386.5720437339.

The spelling of 2665798498 in words is "two billion, six hundred sixty-five million, seven hundred ninety-eight thousand, four hundred ninety-eight".