18950995833 has 96 divisors (see below), whose sum is σ = 32625815040. Its totient is φ = 9674058240.

The previous prime is 18950995831. The next prime is 18950995841. The reversal of 18950995833 is 33859905981.

It is a happy number.

It is not a de Polignac number, because 18950995833 - 2¹ = 18950995831 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18950995831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 45228898 + ... + 45229316.

It is an arithmetic number, because the mean of its divisors is an integer number (339852240).

Almost surely, 2^18950995833 is an apocalyptic number.

It is an amenable number.

18950995833 is a deficient number, since it is larger than the sum of its proper divisors (13674819207).

18950995833 is a wasteful number, since it uses less digits than its factorization.

18950995833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 60.

The spelling of 18950995833 in words is "eighteen billion, nine hundred fifty million, nine hundred ninety-five thousand, eight hundred thirty-three".