7209241641 has 24 divisors (see below), whose sum is σ = 11969780160. Its totient is φ = 4095747936.

The previous prime is 7209241609. The next prime is 7209241643. The reversal of 7209241641 is 1461429027.

It is a happy number.

7209241641 is a `hidden beast` number, since 7 + 2 + 0 + 9 + 2 + 4 + 1 + 641 = 666.

It is not a de Polignac number, because 7209241641 - 2⁵ = 7209241609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7209241596 and 7209241605.

It is not an unprimeable number, because it can be changed into a prime (7209241643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 319831 + ... + 341628.

It is an arithmetic number, because the mean of its divisors is an integer number (498740840).

Almost surely, 2^7209241641 is an apocalyptic number.

It is an amenable number.

7209241641 is a deficient number, since it is larger than the sum of its proper divisors (4760538519).

7209241641 is a wasteful number, since it uses less digits than its factorization.

7209241641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661645 (or 661642 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 7209241641 is about 84907.2531707392. The cubic root of 7209241641 is about 1931.8045924880.

The spelling of 7209241641 in words is "seven billion, two hundred nine million, two hundred forty-one thousand, six hundred forty-one".