7099011373609 has 3 divisors (see below), whose sum is σ = 7099014038007. Its totient is φ = 7099008709212.

The previous prime is 7099011373607. The next prime is 7099011373631. The reversal of 7099011373609 is 9063731109907.

It is a happy number.

The square root of 7099011373609 is 2664397.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 5450940825625 + 1648070547984 = 2334725^2 + 1283772^2 .

It is not a de Polignac number, because 7099011373609 - 2¹ = 7099011373607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7099011373609.

It is not an unprimeable number, because it can be changed into a prime (7099011373607) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1332199 + ... + 3996595.

It is an arithmetic number, because the mean of its divisors is an integer number (2366338012669).

Almost surely, 2^{7099011373609} is an apocalyptic number.

7099011373609 is the 2664397-th square number.

7099011373609 is the 1332199-th centered octagonal number.

It is an amenable number.

7099011373609 is a deficient number, since it is larger than the sum of its proper divisors (2664398).

7099011373609 is an frugal number, since it uses more digits than its factorization.

7099011373609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5328794 (or 2664397 counting only the distinct ones).

The product of its (nonzero) digits is 1928934, while the sum is 55.

The spelling of 7099011373609 in words is "seven trillion, ninety-nine billion, eleven million, three hundred seventy-three thousand, six hundred nine".