2674272661 has 4 divisors (see below), whose sum is σ = 2675486592. Its totient is φ = 2673058732.

The previous prime is 2674272659. The next prime is 2674272673. The reversal of 2674272661 is 1662724762.

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 2674272661 - 2¹ = 2674272659 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 (2674273661) 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, 603655 + ... + 608068.

It is an arithmetic number, because the mean of its divisors is an integer number (668871648).

Almost surely, 2^2674272661 is an apocalyptic number.

It is an amenable number.

2674272661 is a deficient number, since it is larger than the sum of its proper divisors (1213931).

2674272661 is a wasteful number, since it uses less digits than its factorization.

2674272661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213930.

The product of its digits is 338688, while the sum is 43.

The square root of 2674272661 is about 51713.3702343988. The cubic root of 2674272661 is about 1388.0397226726.

The spelling of 2674272661 in words is "two billion, six hundred seventy-four million, two hundred seventy-two thousand, six hundred sixty-one".