33940684783 has 2 divisors, whose sum is σ = 33940684784. Its totient is φ = 33940684782.

The previous prime is 33940684753. The next prime is 33940684823. The reversal of 33940684783 is 38748604933.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33940684783 - 2¹⁷ = 33940553711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33940684753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16970342391 + 16970342392.

It is an arithmetic number, because the mean of its divisors is an integer number (16970342392).

Almost surely, 2^33940684783 is an apocalyptic number.

33940684783 is a deficient number, since it is larger than the sum of its proper divisors (1).

33940684783 is an equidigital number, since it uses as much as digits as its factorization.

33940684783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10450944, while the sum is 55.

The spelling of 33940684783 in words is "thirty-three billion, nine hundred forty million, six hundred eighty-four thousand, seven hundred eighty-three".