33748982779 has 2 divisors, whose sum is σ = 33748982780. Its totient is φ = 33748982778.

The previous prime is 33748982759. The next prime is 33748982789. The reversal of 33748982779 is 97728984733.

It is a strong prime.

It is an emirp because it is prime and its reverse (97728984733) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33748982779 - 2⁷ = 33748982651 is a prime.

It is a super-2 number, since 2×33748982779² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33748982759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16874491389 + 16874491390.

It is an arithmetic number, because the mean of its divisors is an integer number (16874491390).

Almost surely, 2^33748982779 is an apocalyptic number.

33748982779 is a deficient number, since it is larger than the sum of its proper divisors (1).

33748982779 is an equidigital number, since it uses as much as digits as its factorization.

33748982779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 128024064, while the sum is 67.

The spelling of 33748982779 in words is "thirty-three billion, seven hundred forty-eight million, nine hundred eighty-two thousand, seven hundred seventy-nine".