1033643640149 has 2 divisors, whose sum is σ = 1033643640150. Its totient is φ = 1033643640148.

The previous prime is 1033643640091. The next prime is 1033643640157. The reversal of 1033643640149 is 9410463463301.

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., 1026689748049 + 6953892100 = 1013257^2 + 83390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1033643640149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1033643640949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516821820074 + 516821820075.

It is an arithmetic number, because the mean of its divisors is an integer number (516821820075).

Almost surely, 2^{1033643640149} is an apocalyptic number.

It is an amenable number.

1033643640149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1033643640149 is an equidigital number, since it uses as much as digits as its factorization.

1033643640149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 44.

The spelling of 1033643640149 in words is "one trillion, thirty-three billion, six hundred forty-three million, six hundred forty thousand, one hundred forty-nine".