147836881369 has 2 divisors, whose sum is σ = 147836881370. Its totient is φ = 147836881368.

The previous prime is 147836881351. The next prime is 147836881427. The reversal of 147836881369 is 963188638741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124584291225 + 23252590144 = 352965^2 + 152488^2 .

It is a cyclic number.

It is not a de Polignac number, because 147836881369 - 2⁵ = 147836881337 is a prime.

It is a super-2 number, since 2×147836881369² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 147836881369.

It is not a weakly prime, because it can be changed into another prime (147836881769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73918440684 + 73918440685.

It is an arithmetic number, because the mean of its divisors is an integer number (73918440685).

Almost surely, 2^147836881369 is an apocalyptic number.

It is an amenable number.

147836881369 is a deficient number, since it is larger than the sum of its proper divisors (1).

147836881369 is an equidigital number, since it uses as much as digits as its factorization.

147836881369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41803776, while the sum is 64.

The spelling of 147836881369 in words is "one hundred forty-seven billion, eight hundred thirty-six million, eight hundred eighty-one thousand, three hundred sixty-nine".