33145941629 has 2 divisors, whose sum is σ = 33145941630. Its totient is φ = 33145941628.

The previous prime is 33145941611. The next prime is 33145941643. The reversal of 33145941629 is 92614954133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33086882404 + 59059225 = 181898^2 + 7685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33145941629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33145941659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16572970814 + 16572970815.

It is an arithmetic number, because the mean of its divisors is an integer number (16572970815).

Almost surely, 2^33145941629 is an apocalyptic number.

It is an amenable number.

33145941629 is a deficient number, since it is larger than the sum of its proper divisors (1).

33145941629 is an equidigital number, since it uses as much as digits as its factorization.

33145941629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 47.

The spelling of 33145941629 in words is "thirty-three billion, one hundred forty-five million, nine hundred forty-one thousand, six hundred twenty-nine".