7219716005 has 4 divisors (see below), whose sum is σ = 8663659212. Its totient is φ = 5775772800.

The previous prime is 7219715999. The next prime is 7219716019. The reversal of 7219716005 is 5006179127.

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 1979983009 + 5239732996 = 44497^2 + 72386^2 .

It is not a de Polignac number, because 7219716005 - 2¹² = 7219711909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7219716005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721971596 + ... + 721971605.

It is an arithmetic number, because the mean of its divisors is an integer number (2165914803).

Almost surely, 2^7219716005 is an apocalyptic number.

It is an amenable number.

7219716005 is a deficient number, since it is larger than the sum of its proper divisors (1443943207).

7219716005 is a wasteful number, since it uses less digits than its factorization.

7219716005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443943206.

The product of its (nonzero) digits is 26460, while the sum is 38.

The square root of 7219716005 is about 84968.9119913866. The cubic root of 7219716005 is about 1932.7397177898.

The spelling of 7219716005 in words is "seven billion, two hundred nineteen million, seven hundred sixteen thousand, five".