7444414753721 has 16 divisors (see below), whose sum is σ = 8148390250176. Its totient is φ = 6745003200000.

The previous prime is 7444414753697. The next prime is 7444414753759. The reversal of 7444414753721 is 1273574144447.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7444414753721 is a prime.

It is a super-2 number, since 2×7444414753721² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7444414756721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4444661 + ... + 5885901.

It is an arithmetic number, because the mean of its divisors is an integer number (509274390636).

Almost surely, 2^{7444414753721} is an apocalyptic number.

It is an amenable number.

7444414753721 is a deficient number, since it is larger than the sum of its proper divisors (703975496455).

7444414753721 is a wasteful number, since it uses less digits than its factorization.

7444414753721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442824.

The product of its digits is 10536960, while the sum is 53.

The spelling of 7444414753721 in words is "seven trillion, four hundred forty-four billion, four hundred fourteen million, seven hundred fifty-three thousand, seven hundred twenty-one".