2798724145 has 8 divisors (see below), whose sum is σ = 3838250304. Its totient is φ = 1919125104.

The previous prime is 2798724133. The next prime is 2798724167. The reversal of 2798724145 is 5414278972.

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 2798724145 - 2¹⁷ = 2798593073 is a prime.

It is a super-5 number, since 5×2798724145⁵ (a number of 48 digits) contains 55555 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39981739 + ... + 39981808.

It is an arithmetic number, because the mean of its divisors is an integer number (479781288).

Almost surely, 2^2798724145 is an apocalyptic number.

It is an amenable number.

2798724145 is a deficient number, since it is larger than the sum of its proper divisors (1039526159).

2798724145 is an equidigital number, since it uses as much as digits as its factorization.

2798724145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79963559.

The product of its digits is 1128960, while the sum is 49.

The square root of 2798724145 is about 52902.9691510788. The cubic root of 2798724145 is about 1409.2456345715.

The spelling of 2798724145 in words is "two billion, seven hundred ninety-eight million, seven hundred twenty-four thousand, one hundred forty-five".