2775000025249 has 4 divisors (see below), whose sum is σ = 2786909896836. Its totient is φ = 2763090153664.

The previous prime is 2775000025241. The next prime is 2775000025277. The reversal of 2775000025249 is 9425200005772.

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 1889368458849 + 885631566400 = 1374543^2 + 941080^2 .

It is a cyclic number.

It is not a de Polignac number, because 2775000025249 - 2³ = 2775000025241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2775000025241) 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, 5954935444 + ... + 5954935909.

It is an arithmetic number, because the mean of its divisors is an integer number (696727474209).

Almost surely, 2^{2775000025249} is an apocalyptic number.

It is an amenable number.

2775000025249 is a deficient number, since it is larger than the sum of its proper divisors (11909871587).

2775000025249 is a wasteful number, since it uses less digits than its factorization.

2775000025249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11909871586.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 2775000025249 in words is "two trillion, seven hundred seventy-five billion, twenty-five thousand, two hundred forty-nine".