1973385533 has 16 divisors (see below), whose sum is σ = 2434510080. Its totient is φ = 1562136576.

The previous prime is 1973385503. The next prime is 1973385539. The reversal of 1973385533 is 3355833791.

It is not a de Polignac number, because 1973385533 - 2²² = 1969191229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973385539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206660 + ... + 215997.

It is an arithmetic number, because the mean of its divisors is an integer number (152156880).

Almost surely, 2^1973385533 is an apocalyptic number.

It is an amenable number.

1973385533 is a deficient number, since it is larger than the sum of its proper divisors (461124547).

1973385533 is a wasteful number, since it uses less digits than its factorization.

1973385533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422716.

The product of its digits is 1020600, while the sum is 47.

The square root of 1973385533 is about 44422.8042000952. The cubic root of 1973385533 is about 1254.3073871239.

The spelling of 1973385533 in words is "one billion, nine hundred seventy-three million, three hundred eighty-five thousand, five hundred thirty-three".