2779145041 has 4 divisors (see below), whose sum is σ = 2790217584. Its totient is φ = 2768072500.

The previous prime is 2779145021. The next prime is 2779145051. The reversal of 2779145041 is 1405419772.

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 2779145041 - 2⁷ = 2779144913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2779144985 and 2779145003.

It is not an unprimeable number, because it can be changed into a prime (2779145021) 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, 5535895 + ... + 5536396.

It is an arithmetic number, because the mean of its divisors is an integer number (697554396).

Almost surely, 2^2779145041 is an apocalyptic number.

It is an amenable number.

2779145041 is a deficient number, since it is larger than the sum of its proper divisors (11072543).

2779145041 is a wasteful number, since it uses less digits than its factorization.

2779145041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11072542.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 2779145041 is about 52717.5970715662. The cubic root of 2779145041 is about 1405.9517098980.

The spelling of 2779145041 in words is "two billion, seven hundred seventy-nine million, one hundred forty-five thousand, forty-one".