2734427261 has 4 divisors (see below), whose sum is σ = 2822634624. Its totient is φ = 2646219900.

The previous prime is 2734427257. The next prime is 2734427263. The reversal of 2734427261 is 1627244372.

It is a happy number.

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 2734427261 - 2² = 2734427257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2734427263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44103635 + ... + 44103696.

It is an arithmetic number, because the mean of its divisors is an integer number (705658656).

Almost surely, 2^2734427261 is an apocalyptic number.

It is an amenable number.

2734427261 is a deficient number, since it is larger than the sum of its proper divisors (88207363).

2734427261 is an equidigital number, since it uses as much as digits as its factorization.

2734427261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88207362.

The product of its digits is 112896, while the sum is 38.

The square root of 2734427261 is about 52291.7513667309. The cubic root of 2734427261 is about 1398.3700863149.

The spelling of 2734427261 in words is "two billion, seven hundred thirty-four million, four hundred twenty-seven thousand, two hundred sixty-one".