1950538318803 has 24 divisors (see below), whose sum is σ = 2940116894208. Its totient is φ = 1243747464432.

The previous prime is 1950538318741. The next prime is 1950538318819. The reversal of 1950538318803 is 3088138350591.

1950538318803 is a `hidden beast` number, since 1 + 95 + 0 + 538 + 3 + 18 + 8 + 0 + 3 = 666.

It is not a de Polignac number, because 1950538318803 - 2¹⁸ = 1950538056659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1950538318803.

It is not an unprimeable number, because it can be changed into a prime (1950538318843) 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 23 ways as a sum of consecutive naturals, for example, 3314776 + ... + 3858602.

It is an arithmetic number, because the mean of its divisors is an integer number (122504870592).

Almost surely, 2^{1950538318803} is an apocalyptic number.

1950538318803 is a deficient number, since it is larger than the sum of its proper divisors (989578575405).

1950538318803 is a wasteful number, since it uses less digits than its factorization.

1950538318803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561183 (or 561180 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 1950538318803 in words is "one trillion, nine hundred fifty billion, five hundred thirty-eight million, three hundred eighteen thousand, eight hundred three".