2761399255 has 4 divisors (see below), whose sum is σ = 3313679112. Its totient is φ = 2209119400.

The previous prime is 2761399247. The next prime is 2761399261. The reversal of 2761399255 is 5529931672.

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

It is not a de Polignac number, because 2761399255 - 2³ = 2761399247 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2761399199 and 2761399208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276139921 + ... + 276139930.

It is an arithmetic number, because the mean of its divisors is an integer number (828419778).

Almost surely, 2^2761399255 is an apocalyptic number.

2761399255 is a deficient number, since it is larger than the sum of its proper divisors (552279857).

2761399255 is an equidigital number, since it uses as much as digits as its factorization.

2761399255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552279856.

The product of its digits is 1020600, while the sum is 49.

The square root of 2761399255 is about 52549.0176406753. The cubic root of 2761399255 is about 1402.9528246133.

The spelling of 2761399255 in words is "two billion, seven hundred sixty-one million, three hundred ninety-nine thousand, two hundred fifty-five".