6121715349 has 16 divisors (see below), whose sum is σ = 8209422144. Its totient is φ = 4057641600.

The previous prime is 6121715239. The next prime is 6121715389. The reversal of 6121715349 is 9435171216.

It is not a de Polignac number, because 6121715349 - 2⁷ = 6121715221 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6121715389) 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 15 ways as a sum of consecutive naturals, for example, 383569 + ... + 399209.

It is an arithmetic number, because the mean of its divisors is an integer number (513088884).

Almost surely, 2^6121715349 is an apocalyptic number.

It is an amenable number.

6121715349 is a deficient number, since it is larger than the sum of its proper divisors (2087706795).

6121715349 is a wasteful number, since it uses less digits than its factorization.

6121715349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16388.

The product of its digits is 45360, while the sum is 39.

The square root of 6121715349 is about 78241.3915328709. The cubic root of 6121715349 is about 1829.3257341578.

The spelling of 6121715349 in words is "six billion, one hundred twenty-one million, seven hundred fifteen thousand, three hundred forty-nine".