4113461721 has 4 divisors (see below), whose sum is σ = 5484615632. Its totient is φ = 2742307812.

The previous prime is 4113461713. The next prime is 4113461777. The reversal of 4113461721 is 1271643114.

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 not a de Polignac number, because 4113461721 - 2³ = 4113461713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4113462721) 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, 685576951 + ... + 685576956.

It is an arithmetic number, because the mean of its divisors is an integer number (1371153908).

Almost surely, 2^4113461721 is an apocalyptic number.

It is an amenable number.

4113461721 is a deficient number, since it is larger than the sum of its proper divisors (1371153911).

4113461721 is a wasteful number, since it uses less digits than its factorization.

4113461721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371153910.

The product of its digits is 4032, while the sum is 30.

The square root of 4113461721 is about 64136.2746111746. The cubic root of 4113461721 is about 1602.2704382584.

The spelling of 4113461721 in words is "four billion, one hundred thirteen million, four hundred sixty-one thousand, seven hundred twenty-one".