5648572691 has 4 divisors (see below), whose sum is σ = 5894162832. Its totient is φ = 5402982552.

The previous prime is 5648572687. The next prime is 5648572717. The reversal of 5648572691 is 1962758465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1962758465 = 5 ⋅392551693.

It is a cyclic number.

It is not a de Polignac number, because 5648572691 - 2² = 5648572687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5648572661) 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, 122795036 + ... + 122795081.

It is an arithmetic number, because the mean of its divisors is an integer number (1473540708).

Almost surely, 2^5648572691 is an apocalyptic number.

5648572691 is a deficient number, since it is larger than the sum of its proper divisors (245590141).

5648572691 is a wasteful number, since it uses less digits than its factorization.

5648572691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245590140.

The product of its digits is 3628800, while the sum is 53.

The square root of 5648572691 is about 75156.9869739334. The cubic root of 5648572691 is about 1780.9275024628.

The spelling of 5648572691 in words is "five billion, six hundred forty-eight million, five hundred seventy-two thousand, six hundred ninety-one".