7170214561 has 4 divisors (see below), whose sum is σ = 7287759124. Its totient is φ = 7052670000.

The previous prime is 7170214543. The next prime is 7170214567. The reversal of 7170214561 is 1654120717.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1654120717 = 18839 ⋅87803.

It can be written as a sum of positive squares in 2 ways, for example, as 3847844961 + 3322369600 = 62031^2 + 57640^2 .

It is a cyclic number.

It is not a de Polignac number, because 7170214561 - 2⁵ = 7170214529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7170214567) 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, 58772190 + ... + 58772311.

It is an arithmetic number, because the mean of its divisors is an integer number (1821939781).

Almost surely, 2^7170214561 is an apocalyptic number.

It is an amenable number.

7170214561 is a deficient number, since it is larger than the sum of its proper divisors (117544563).

7170214561 is a wasteful number, since it uses less digits than its factorization.

7170214561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117544562.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 7170214561 is about 84677.1194656502. The cubic root of 7170214561 is about 1928.3123551457.

The spelling of 7170214561 in words is "seven billion, one hundred seventy million, two hundred fourteen thousand, five hundred sixty-one".