2674864646 has 4 divisors (see below), whose sum is σ = 4012296972. Its totient is φ = 1337432322.

The previous prime is 2674864607. The next prime is 2674864663. The reversal of 2674864646 is 6464684762.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 668716160 + ... + 668716163.

It is an arithmetic number, because the mean of its divisors is an integer number (1003074243).

Almost surely, 2^2674864646 is an apocalyptic number.

2674864646 is a deficient number, since it is larger than the sum of its proper divisors (1337432326).

2674864646 is a wasteful number, since it uses less digits than its factorization.

2674864646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337432325.

The product of its digits is 9289728, while the sum is 53.

The square root of 2674864646 is about 51719.0936308826. The cubic root of 2674864646 is about 1388.1421353252.

The spelling of 2674864646 in words is "two billion, six hundred seventy-four million, eight hundred sixty-four thousand, six hundred forty-six".