7011647964749 has 4 divisors (see below), whose sum is σ = 7036960773564. Its totient is φ = 6986335155936.

The previous prime is 7011647964731. The next prime is 7011647964781. The reversal of 7011647964749 is 9474697461107.

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 1504731555625 + 5506916409124 = 1226675^2 + 2346682^2 .

It is a cyclic number.

It is not a de Polignac number, because 7011647964749 - 2²⁰ = 7011646916173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7011647964719) 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, 12656403992 + ... + 12656404545.

It is an arithmetic number, because the mean of its divisors is an integer number (1759240193391).

Almost surely, 2^{7011647964749} is an apocalyptic number.

It is an amenable number.

7011647964749 is a deficient number, since it is larger than the sum of its proper divisors (25312808815).

7011647964749 is a wasteful number, since it uses less digits than its factorization.

7011647964749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25312808814.

The product of its (nonzero) digits is 64012032, while the sum is 65.

The spelling of 7011647964749 in words is "seven trillion, eleven billion, six hundred forty-seven million, nine hundred sixty-four thousand, seven hundred forty-nine".