5211644801 has 4 divisors (see below), whose sum is σ = 5685430704. Its totient is φ = 4737858900.

The previous prime is 5211644777. The next prime is 5211644833. The reversal of 5211644801 is 1084461125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5211644801 - 2²² = 5207450497 is a prime.

It is a super-2 number, since 2×5211644801² = 54322483063580659202, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5211644891) 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, 236892935 + ... + 236892956.

It is an arithmetic number, because the mean of its divisors is an integer number (1421357676).

Almost surely, 2^5211644801 is an apocalyptic number.

It is an amenable number.

5211644801 is a deficient number, since it is larger than the sum of its proper divisors (473785903).

5211644801 is a wasteful number, since it uses less digits than its factorization.

5211644801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473785902.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 5211644801 is about 72191.7225241232. The cubic root of 5211644801 is about 1733.7704749972.

The spelling of 5211644801 in words is "five billion, two hundred eleven million, six hundred forty-four thousand, eight hundred one".