147664533769 has 2 divisors, whose sum is σ = 147664533770. Its totient is φ = 147664533768.

The previous prime is 147664533743. The next prime is 147664533781. The reversal of 147664533769 is 967335466741.

147664533769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147548174400 + 116359369 = 384120^2 + 10787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147664533769 is a prime.

It is a super-2 number, since 2×147664533769² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (147664543769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73832266884 + 73832266885.

It is an arithmetic number, because the mean of its divisors is an integer number (73832266885).

Almost surely, 2^147664533769 is an apocalyptic number.

It is an amenable number.

147664533769 is a deficient number, since it is larger than the sum of its proper divisors (1).

147664533769 is an equidigital number, since it uses as much as digits as its factorization.

147664533769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68584320, while the sum is 61.

The spelling of 147664533769 in words is "one hundred forty-seven billion, six hundred sixty-four million, five hundred thirty-three thousand, seven hundred sixty-nine".