2978014159 has 4 divisors (see below), whose sum is σ = 2978126320. Its totient is φ = 2977902000.

The previous prime is 2978014139. The next prime is 2978014181. The reversal of 2978014159 is 9514108792.

2978014159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2978014159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2978014139) 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, 8659 + ... + 77659.

It is an arithmetic number, because the mean of its divisors is an integer number (744531580).

Almost surely, 2^2978014159 is an apocalyptic number.

2978014159 is a deficient number, since it is larger than the sum of its proper divisors (112161).

2978014159 is an equidigital number, since it uses as much as digits as its factorization.

2978014159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112160.

The product of its (nonzero) digits is 181440, while the sum is 46.

The square root of 2978014159 is about 54571.1843283614. The cubic root of 2978014159 is about 1438.7176983254.

The spelling of 2978014159 in words is "two billion, nine hundred seventy-eight million, fourteen thousand, one hundred fifty-nine".