2771900051 has 4 divisors (see below), whose sum is σ = 2772135432. Its totient is φ = 2771664672.

The previous prime is 2771900003. The next prime is 2771900077. The reversal of 2771900051 is 1500091772.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2771900051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2771899990 and 2771900017.

It is not an unprimeable number, because it can be changed into a prime (2771905051) 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, 99041 + ... + 123906.

It is an arithmetic number, because the mean of its divisors is an integer number (693033858).

Almost surely, 2^2771900051 is an apocalyptic number.

2771900051 is a deficient number, since it is larger than the sum of its proper divisors (235381).

2771900051 is a wasteful number, since it uses less digits than its factorization.

2771900051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235380.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 2771900051 is about 52648.8371286584. The cubic root of 2771900051 is about 1404.7289153333.

The spelling of 2771900051 in words is "two billion, seven hundred seventy-one million, nine hundred thousand, fifty-one".