2572668863 has 4 divisors (see below), whose sum is σ = 2616273480. Its totient is φ = 2529064248.

The previous prime is 2572668829. The next prime is 2572668877. The reversal of 2572668863 is 3688662752.

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

It is a cyclic number.

It is not a de Polignac number, because 2572668863 - 2³⁰ = 1498927039 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 (2512668863) 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, 21802220 + ... + 21802337.

It is an arithmetic number, because the mean of its divisors is an integer number (654068370).

Almost surely, 2^2572668863 is an apocalyptic number.

2572668863 is a deficient number, since it is larger than the sum of its proper divisors (43604617).

2572668863 is an equidigital number, since it uses as much as digits as its factorization.

2572668863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43604616.

The product of its digits is 5806080, while the sum is 53.

The square root of 2572668863 is about 50721.4832492111. The cubic root of 2572668863 is about 1370.2336545375.

The spelling of 2572668863 in words is "two billion, five hundred seventy-two million, six hundred sixty-eight thousand, eight hundred sixty-three".