200447081091 has 12 divisors (see below), whose sum is σ = 290007004768. Its totient is φ = 133413387984.

The previous prime is 200447081069. The next prime is 200447081113. The reversal of 200447081091 is 190180744002.

200447081091 is a `hidden beast` number, since 20 + 0 + 4 + 470 + 81 + 0 + 91 = 666.

It is an interprime number because it is at equal distance from previous prime (200447081069) and next prime (200447081113).

It is not a de Polignac number, because 200447081091 - 2⁷ = 200447080963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200447088091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18160795 + ... + 18171828.

Almost surely, 2^200447081091 is an apocalyptic number.

200447081091 is a deficient number, since it is larger than the sum of its proper divisors (89559923677).

200447081091 is a wasteful number, since it uses less digits than its factorization.

200447081091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36333242 (or 36333239 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 200447081091 in words is "two hundred billion, four hundred forty-seven million, eighty-one thousand, ninety-one".