33134212477 has 2 divisors, whose sum is σ = 33134212478. Its totient is φ = 33134212476.

The previous prime is 33134212429. The next prime is 33134212541. The reversal of 33134212477 is 77421243133.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32721553881 + 412658596 = 180891^2 + 20314^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33134212477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33134212877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16567106238 + 16567106239.

It is an arithmetic number, because the mean of its divisors is an integer number (16567106239).

Almost surely, 2^33134212477 is an apocalyptic number.

It is an amenable number.

33134212477 is a deficient number, since it is larger than the sum of its proper divisors (1).

33134212477 is an equidigital number, since it uses as much as digits as its factorization.

33134212477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 37.

The spelling of 33134212477 in words is "thirty-three billion, one hundred thirty-four million, two hundred twelve thousand, four hundred seventy-seven".