33086434987 has 2 divisors, whose sum is σ = 33086434988. Its totient is φ = 33086434986.

The previous prime is 33086434951. The next prime is 33086435003. The reversal of 33086434987 is 78943468033.

It is a strong prime.

It is an emirp because it is prime and its reverse (78943468033) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33086434987 is a prime.

It is not a weakly prime, because it can be changed into another prime (33086434387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16543217493 + 16543217494.

It is an arithmetic number, because the mean of its divisors is an integer number (16543217494).

Almost surely, 2^33086434987 is an apocalyptic number.

33086434987 is a deficient number, since it is larger than the sum of its proper divisors (1).

33086434987 is an equidigital number, since it uses as much as digits as its factorization.

33086434987 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 33086434987 in words is "thirty-three billion, eighty-six million, four hundred thirty-four thousand, nine hundred eighty-seven".