84447049933 has 2 divisors, whose sum is σ = 84447049934. Its totient is φ = 84447049932.

The previous prime is 84447049889. The next prime is 84447049949. The reversal of 84447049933 is 33994074448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79502569444 + 4944480489 = 281962^2 + 70317^2 .

It is a cyclic number.

It is not a de Polignac number, because 84447049933 - 2²⁵ = 84413495501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84447949933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42223524966 + 42223524967.

It is an arithmetic number, because the mean of its divisors is an integer number (42223524967).

Almost surely, 2^84447049933 is an apocalyptic number.

It is an amenable number.

84447049933 is a deficient number, since it is larger than the sum of its proper divisors (1).

84447049933 is an equidigital number, since it uses as much as digits as its factorization.

84447049933 is an evil number, because the sum of its binary digits is even.

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

The spelling of 84447049933 in words is "eighty-four billion, four hundred forty-seven million, forty-nine thousand, nine hundred thirty-three".