5211651799 has 4 divisors (see below), whose sum is σ = 5391363960. Its totient is φ = 5031939640.

The previous prime is 5211651791. The next prime is 5211651817. The reversal of 5211651799 is 9971561125.

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

It is not a de Polignac number, because 5211651799 - 2³ = 5211651791 is a prime.

It is a super-2 number, since 2×5211651799² = 54322628948039872802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5211651791) 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, 89856037 + ... + 89856094.

It is an arithmetic number, because the mean of its divisors is an integer number (1347840990).

Almost surely, 2^5211651799 is an apocalyptic number.

5211651799 is a deficient number, since it is larger than the sum of its proper divisors (179712161).

5211651799 is a wasteful number, since it uses less digits than its factorization.

5211651799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179712160.

The product of its digits is 170100, while the sum is 46.

The square root of 5211651799 is about 72191.7709922675. The cubic root of 5211651799 is about 1733.7712510107.

The spelling of 5211651799 in words is "five billion, two hundred eleven million, six hundred fifty-one thousand, seven hundred ninety-nine".