5165242643 has 4 divisors (see below), whose sum is σ = 5634810168. Its totient is φ = 4695675120.

The previous prime is 5165242639. The next prime is 5165242657. The reversal of 5165242643 is 3462425615.

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

It is a cyclic number.

It is not a de Polignac number, because 5165242643 - 2² = 5165242639 is a prime.

It is a super-2 number, since 2×5165242643² = 53359463122131250898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5165242597 and 5165242606.

It is not an unprimeable number, because it can be changed into a prime (5165242633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234783746 + ... + 234783767.

It is an arithmetic number, because the mean of its divisors is an integer number (1408702542).

Almost surely, 2^5165242643 is an apocalyptic number.

5165242643 is a deficient number, since it is larger than the sum of its proper divisors (469567525).

5165242643 is a wasteful number, since it uses less digits than its factorization.

5165242643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469567524.

The product of its digits is 172800, while the sum is 38.

The square root of 5165242643 is about 71869.6225327502. The cubic root of 5165242643 is about 1728.6095550211.

The spelling of 5165242643 in words is "five billion, one hundred sixty-five million, two hundred forty-two thousand, six hundred forty-three".