11647795469 has 2 divisors, whose sum is σ = 11647795470. Its totient is φ = 11647795468.

The previous prime is 11647795459. The next prime is 11647795477. The reversal of 11647795469 is 96459774611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7934355625 + 3713439844 = 89075^2 + 60938^2 .

It is a cyclic number.

It is not a de Polignac number, because 11647795469 - 2¹² = 11647791373 is a prime.

It is a super-2 number, since 2×11647795469² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11647795459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5823897734 + 5823897735.

It is an arithmetic number, because the mean of its divisors is an integer number (5823897735).

Almost surely, 2^11647795469 is an apocalyptic number.

It is an amenable number.

11647795469 is a deficient number, since it is larger than the sum of its proper divisors (1).

11647795469 is an equidigital number, since it uses as much as digits as its factorization.

11647795469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11430720, while the sum is 59.

The spelling of 11647795469 in words is "eleven billion, six hundred forty-seven million, seven hundred ninety-five thousand, four hundred sixty-nine".