2730878153 has 4 divisors (see below), whose sum is σ = 2736579840. Its totient is φ = 2725176468.

The previous prime is 2730878123. The next prime is 2730878167. The reversal of 2730878153 is 3518780372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2730878153 - 2⁶ = 2730878089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2730878123) 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, 2850125 + ... + 2851082.

It is an arithmetic number, because the mean of its divisors is an integer number (684144960).

Almost surely, 2^2730878153 is an apocalyptic number.

It is an amenable number.

2730878153 is a deficient number, since it is larger than the sum of its proper divisors (5701687).

2730878153 is an equidigital number, since it uses as much as digits as its factorization.

2730878153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5701686.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 2730878153 is about 52257.8047089619. The cubic root of 2730878153 is about 1397.7648266953.

The spelling of 2730878153 in words is "two billion, seven hundred thirty million, eight hundred seventy-eight thousand, one hundred fifty-three".