7241589939921 has 16 divisors (see below), whose sum is σ = 9719700848640. Its totient is φ = 4795604830800.

The previous prime is 7241589939907. The next prime is 7241589939929. The reversal of 7241589939921 is 1299399851427.

It is not a de Polignac number, because 7241589939921 - 2¹¹ = 7241589937873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7241589939929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15306250 + ... + 15772268.

It is an arithmetic number, because the mean of its divisors is an integer number (607481303040).

Almost surely, 2^{7241589939921} is an apocalyptic number.

It is an amenable number.

7241589939921 is a deficient number, since it is larger than the sum of its proper divisors (2478110908719).

7241589939921 is a wasteful number, since it uses less digits than its factorization.

7241589939921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500476.

The product of its digits is 88179840, while the sum is 69.

The spelling of 7241589939921 in words is "seven trillion, two hundred forty-one billion, five hundred eighty-nine million, nine hundred thirty-nine thousand, nine hundred twenty-one".