33381430669 has 2 divisors, whose sum is σ = 33381430670. Its totient is φ = 33381430668.

The previous prime is 33381430573. The next prime is 33381430679. The reversal of 33381430669 is 96603418333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31871175625 + 1510255044 = 178525^2 + 38862^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33381430669 is a prime.

It is a super-2 number, since 2×33381430669² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33381430679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16690715334 + 16690715335.

It is an arithmetic number, because the mean of its divisors is an integer number (16690715335).

Almost surely, 2^33381430669 is an apocalyptic number.

It is an amenable number.

33381430669 is a deficient number, since it is larger than the sum of its proper divisors (1).

33381430669 is an equidigital number, since it uses as much as digits as its factorization.

33381430669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 46.

The spelling of 33381430669 in words is "thirty-three billion, three hundred eighty-one million, four hundred thirty thousand, six hundred sixty-nine".