7216529941 has 4 divisors (see below), whose sum is σ = 7224199884. Its totient is φ = 7208860000.

The previous prime is 7216529923. The next prime is 7216529993. The reversal of 7216529941 is 1499256127.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5194229041 + 2022300900 = 72071^2 + 44970^2 .

It is a cyclic number.

It is not a de Polignac number, because 7216529941 - 2⁹ = 7216529429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7216529891 and 7216529900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7216529921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3833560 + ... + 3835441.

It is an arithmetic number, because the mean of its divisors is an integer number (1806049971).

Almost surely, 2^7216529941 is an apocalyptic number.

It is an amenable number.

7216529941 is a deficient number, since it is larger than the sum of its proper divisors (7669943).

7216529941 is an equidigital number, since it uses as much as digits as its factorization.

7216529941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7669942.

The product of its digits is 272160, while the sum is 46.

The square root of 7216529941 is about 84950.1615125010. The cubic root of 7216529941 is about 1932.4553696486.

The spelling of 7216529941 in words is "seven billion, two hundred sixteen million, five hundred twenty-nine thousand, nine hundred forty-one".