5209642611 has 12 divisors (see below), whose sum is σ = 7529685592. Its totient is φ = 3470950656.

The previous prime is 5209642583. The next prime is 5209642619. The reversal of 5209642611 is 1162469025.

5209642611 is a `hidden beast` number, since 5 + 2 + 0 + 9 + 642 + 6 + 1 + 1 = 666.

It is not a de Polignac number, because 5209642611 - 2¹⁰ = 5209641587 is a prime.

It is a super-2 number, since 2×5209642611² = 54280752268693794642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5209642619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163246 + ... + 192531.

Almost surely, 2^5209642611 is an apocalyptic number.

5209642611 is a deficient number, since it is larger than the sum of its proper divisors (2320042981).

5209642611 is a wasteful number, since it uses less digits than its factorization.

5209642611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357410 (or 357407 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 5209642611 is about 72177.8540204681. The cubic root of 5209642611 is about 1733.5484220964.

The spelling of 5209642611 in words is "five billion, two hundred nine million, six hundred forty-two thousand, six hundred eleven".