5272943869 has 4 divisors (see below), whose sum is σ = 5275328796. Its totient is φ = 5270558944.

The previous prime is 5272943827. The next prime is 5272943881. The reversal of 5272943869 is 9683492725.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4814555769 + 458388100 = 69387^2 + 21410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5272943869 is a prime.

It is a super-2 number, since 2×5272943869² = 55607874091249378322, 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 (5272943369) 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, 1189144 + ... + 1193569.

It is an arithmetic number, because the mean of its divisors is an integer number (1318832199).

Almost surely, 2^5272943869 is an apocalyptic number.

It is an amenable number.

5272943869 is a deficient number, since it is larger than the sum of its proper divisors (2384927).

5272943869 is a wasteful number, since it uses less digits than its factorization.

5272943869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384926.

The product of its digits is 6531840, while the sum is 55.

The square root of 5272943869 is about 72615.0388624836. The cubic root of 5272943869 is about 1740.5415002224.

The spelling of 5272943869 in words is "five billion, two hundred seventy-two million, nine hundred forty-three thousand, eight hundred sixty-nine".