5121724643 has 8 divisors (see below), whose sum is σ = 5858686560. Its totient is φ = 4386084480.

The previous prime is 5121724583. The next prime is 5121724649. The reversal of 5121724643 is 3464271215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5121724643 - 2⁶ = 5121724579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5121724649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322118 + ... + 337643.

It is an arithmetic number, because the mean of its divisors is an integer number (732335820).

Almost surely, 2^5121724643 is an apocalyptic number.

5121724643 is a deficient number, since it is larger than the sum of its proper divisors (736961917).

5121724643 is a wasteful number, since it uses less digits than its factorization.

5121724643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660877.

The product of its digits is 40320, while the sum is 35.

The square root of 5121724643 is about 71566.2255746382. The cubic root of 5121724643 is about 1723.7412527333.

Adding to 5121724643 its reverse (3464271215), we get a palindrome (8585995858).

The spelling of 5121724643 in words is "five billion, one hundred twenty-one million, seven hundred twenty-four thousand, six hundred forty-three".