7201576849 has 2 divisors, whose sum is σ = 7201576850. Its totient is φ = 7201576848.

The previous prime is 7201576847. The next prime is 7201576871. The reversal of 7201576849 is 9486751027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4310579025 + 2890997824 = 65655^2 + 53768^2 .

It is a cyclic number.

It is not a de Polignac number, because 7201576849 - 2¹ = 7201576847 is a prime.

It is a super-2 number, since 2×7201576849² (a number of 21 digits) contains 22 as substring.

Together with 7201576847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7201576843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3600788424 + 3600788425.

It is an arithmetic number, because the mean of its divisors is an integer number (3600788425).

Almost surely, 2^7201576849 is an apocalyptic number.

It is an amenable number.

7201576849 is a deficient number, since it is larger than the sum of its proper divisors (1).

7201576849 is an equidigital number, since it uses as much as digits as its factorization.

7201576849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 7201576849 is about 84862.1049055466. The cubic root of 7201576849 is about 1931.1197247523.

The spelling of 7201576849 in words is "seven billion, two hundred one million, five hundred seventy-six thousand, eight hundred forty-nine".