5211643401 has 12 divisors (see below), whose sum is σ = 7655522160. Its totient is φ = 3415539960.

The previous prime is 5211643379. The next prime is 5211643421. The reversal of 5211643401 is 1043461125.

It is a happy number.

5211643401 is a `hidden beast` number, since 5 + 2 + 11 + 643 + 4 + 0 + 1 = 666.

It is not a de Polignac number, because 5211643401 - 2¹⁵ = 5211610633 is a prime.

It is a super-2 number, since 2×5211643401² = 54322453878373693602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5211643421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4906855 + ... + 4907916.

It is an arithmetic number, because the mean of its divisors is an integer number (637960180).

Almost surely, 2^5211643401 is an apocalyptic number.

It is an amenable number.

5211643401 is a deficient number, since it is larger than the sum of its proper divisors (2443878759).

5211643401 is a wasteful number, since it uses less digits than its factorization.

5211643401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9814836 (or 9814833 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 5211643401 is about 72191.7128277201. The cubic root of 5211643401 is about 1733.7703197500.

The spelling of 5211643401 in words is "five billion, two hundred eleven million, six hundred forty-three thousand, four hundred one".