7021099264 has 27 divisors (see below), whose sum is σ = 14017448977. Its totient is φ = 3509879296.

The previous prime is 7021099199. The next prime is 7021099271. The reversal of 7021099264 is 4629901207.

The square root of 7021099264 is 83792.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6009350400 + 1011748864 = 77520^2 + 31808^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1338054 + ... + 1343290.

Almost surely, 2^7021099264 is an apocalyptic number.

7021099264 is the 83792-nd square number.

It is an amenable number.

7021099264 is a deficient number, since it is larger than the sum of its proper divisors (6996349713).

7021099264 is an frugal number, since it uses more digits than its factorization.

7021099264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10490 (or 5239 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The cubic root of 7021099264 is about 1914.8512282765.

The spelling of 7021099264 in words is "seven billion, twenty-one million, ninety-nine thousand, two hundred sixty-four".