2674631647 has 4 divisors (see below), whose sum is σ = 2674738656. Its totient is φ = 2674524640.

The previous prime is 2674631623. The next prime is 2674631651. The reversal of 2674631647 is 7461364762.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7461364762 = 2 ⋅3730682381.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2674631647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2674631597 and 2674631606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2674631657) 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, 6183 + ... + 73399.

It is an arithmetic number, because the mean of its divisors is an integer number (668684664).

Almost surely, 2^2674631647 is an apocalyptic number.

2674631647 is a deficient number, since it is larger than the sum of its proper divisors (107009).

2674631647 is an equidigital number, since it uses as much as digits as its factorization.

2674631647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107008.

The product of its digits is 1016064, while the sum is 46.

The square root of 2674631647 is about 51716.8410384857. The cubic root of 2674631647 is about 1388.1018285978.

The spelling of 2674631647 in words is "two billion, six hundred seventy-four million, six hundred thirty-one thousand, six hundred forty-seven".