2779014121 has 4 divisors (see below), whose sum is σ = 2992784452. Its totient is φ = 2565243792.

The previous prime is 2779014097. The next prime is 2779014193. The reversal of 2779014121 is 1214109772.

2779014121 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.

It can be written as a sum of positive squares in 2 ways, for example, as 272910400 + 2506103721 = 16520^2 + 50061^2 .

It is a cyclic number.

It is not a de Polignac number, because 2779014121 - 2⁹ = 2779013609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2779011121) 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, 106885146 + ... + 106885171.

It is an arithmetic number, because the mean of its divisors is an integer number (748196113).

Almost surely, 2^2779014121 is an apocalyptic number.

It is an amenable number.

2779014121 is a deficient number, since it is larger than the sum of its proper divisors (213770331).

2779014121 is a wasteful number, since it uses less digits than its factorization.

2779014121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213770330.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 2779014121 is about 52716.3553463249. The cubic root of 2779014121 is about 1405.9296323543.

The spelling of 2779014121 in words is "two billion, seven hundred seventy-nine million, fourteen thousand, one hundred twenty-one".