6129014621 has 4 divisors (see below), whose sum is σ = 6173752092. Its totient is φ = 6084277152.

The previous prime is 6129014611. The next prime is 6129014663. The reversal of 6129014621 is 1264109216.

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 5229314596 + 899700025 = 72314^2 + 29995^2 .

It is a cyclic number.

It is not a de Polignac number, because 6129014621 - 2³⁰ = 5055272797 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 (6129014611) 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, 22368530 + ... + 22368803.

It is an arithmetic number, because the mean of its divisors is an integer number (1543438023).

Almost surely, 2^6129014621 is an apocalyptic number.

It is an amenable number.

6129014621 is a deficient number, since it is larger than the sum of its proper divisors (44737471).

6129014621 is a wasteful number, since it uses less digits than its factorization.

6129014621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44737470.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 6129014621 is about 78288.0234837999. The cubic root of 6129014621 is about 1830.0525153393.

The spelling of 6129014621 in words is "six billion, one hundred twenty-nine million, fourteen thousand, six hundred twenty-one".