1885745902873 has 4 divisors (see below), whose sum is σ = 2155138174720. Its totient is φ = 1616353631028.

The previous prime is 1885745902811. The next prime is 1885745902889. The reversal of 1885745902873 is 3782095475881.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1885745902873 - 2⁹ = 1885745902361 is a prime.

It is a super-2 number, since 2×1885745902873² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1885745902799 and 1885745902808.

It is not an unprimeable number, because it can be changed into a prime (1885745992873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134696135913 + ... + 134696135926.

It is an arithmetic number, because the mean of its divisors is an integer number (538784543680).

Almost surely, 2^{1885745902873} is an apocalyptic number.

It is an amenable number.

1885745902873 is a deficient number, since it is larger than the sum of its proper divisors (269392271847).

1885745902873 is an equidigital number, since it uses as much as digits as its factorization.

1885745902873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269392271846.

The product of its (nonzero) digits is 135475200, while the sum is 67.

The spelling of 1885745902873 in words is "one trillion, eight hundred eighty-five billion, seven hundred forty-five million, nine hundred two thousand, eight hundred seventy-three".