2648574667 has 4 divisors (see below), whose sum is σ = 2650679640. Its totient is φ = 2646469696.

The previous prime is 2648574661. The next prime is 2648574697. The reversal of 2648574667 is 7664758462.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7664758462 = 2 ⋅3832379231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2648574667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2648574661) 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, 1050598 + ... + 1053115.

It is an arithmetic number, because the mean of its divisors is an integer number (662669910).

Almost surely, 2^2648574667 is an apocalyptic number.

2648574667 is a deficient number, since it is larger than the sum of its proper divisors (2104973).

2648574667 is a wasteful number, since it uses less digits than its factorization.

2648574667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104972.

The product of its digits is 13547520, while the sum is 55.

The square root of 2648574667 is about 51464.3047849672. The cubic root of 2648574667 is about 1383.5793566329.

The spelling of 2648574667 in words is "two billion, six hundred forty-eight million, five hundred seventy-four thousand, six hundred sixty-seven".