5383642897 has 4 divisors (see below), whose sum is σ = 5384845620. Its totient is φ = 5382440176.

The previous prime is 5383642811. The next prime is 5383642919. The reversal of 5383642897 is 7982463835.

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 2729435536 + 2654207361 = 52244^2 + 51519^2 .

It is a cyclic number.

It is not a de Polignac number, because 5383642897 - 2¹¹ = 5383640849 is a prime.

It is a super-2 number, since 2×5383642897² = 57967221684837105218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5383646897) 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, 594622 + ... + 603607.

It is an arithmetic number, because the mean of its divisors is an integer number (1346211405).

Almost surely, 2^5383642897 is an apocalyptic number.

It is an amenable number.

5383642897 is a deficient number, since it is larger than the sum of its proper divisors (1202723).

5383642897 is a wasteful number, since it uses less digits than its factorization.

5383642897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202722.

The product of its digits is 8709120, while the sum is 55.

The square root of 5383642897 is about 73373.3118851807. The cubic root of 5383642897 is about 1752.6374268893.

The spelling of 5383642897 in words is "five billion, three hundred eighty-three million, six hundred forty-two thousand, eight hundred ninety-seven".