6124616621 has 4 divisors (see below), whose sum is σ = 6124851552. Its totient is φ = 6124381692.

The previous prime is 6124616581. The next prime is 6124616677. The reversal of 6124616621 is 1266164216.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6124616621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6124616521) 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, 72665 + ... + 132398.

It is an arithmetic number, because the mean of its divisors is an integer number (1531212888).

Almost surely, 2^6124616621 is an apocalyptic number.

It is an amenable number.

6124616621 is a deficient number, since it is larger than the sum of its proper divisors (234931).

6124616621 is a wasteful number, since it uses less digits than its factorization.

6124616621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234930.

The product of its digits is 20736, while the sum is 35.

The square root of 6124616621 is about 78259.9298555781. The cubic root of 6124616621 is about 1829.6146800391.

The spelling of 6124616621 in words is "six billion, one hundred twenty-four million, six hundred sixteen thousand, six hundred twenty-one".