5212101643 has 4 divisors (see below), whose sum is σ = 5956687600. Its totient is φ = 4467515688.

The previous prime is 5212101623. The next prime is 5212101677. The reversal of 5212101643 is 3461012125.

It is a happy number.

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 5212101643 - 2⁵ = 5212101611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5212101623) 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, 372292968 + ... + 372292981.

It is an arithmetic number, because the mean of its divisors is an integer number (1489171900).

Almost surely, 2^5212101643 is an apocalyptic number.

5212101643 is a deficient number, since it is larger than the sum of its proper divisors (744585957).

5212101643 is an equidigital number, since it uses as much as digits as its factorization.

5212101643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744585956.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 5212101643 is about 72194.8865433003. The cubic root of 5212101643 is about 1733.8211330945.

Adding to 5212101643 its reverse (3461012125), we get a palindrome (8673113768).

The spelling of 5212101643 in words is "five billion, two hundred twelve million, one hundred one thousand, six hundred forty-three".