1045393214873 has 4 divisors (see below), whose sum is σ = 1194735102720. Its totient is φ = 896051327028.

The previous prime is 1045393214867. The next prime is 1045393214881. The reversal of 1045393214873 is 3784123935401.

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 1045393214873 - 2³⁰ = 1044319473049 is a prime.

It is a super-2 number, since 2×1045393214873² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1045393214863) 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, 74670943913 + ... + 74670943926.

It is an arithmetic number, because the mean of its divisors is an integer number (298683775680).

Almost surely, 2^{1045393214873} is an apocalyptic number.

It is an amenable number.

1045393214873 is a deficient number, since it is larger than the sum of its proper divisors (149341887847).

1045393214873 is an equidigital number, since it uses as much as digits as its factorization.

1045393214873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149341887846.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 1045393214873 in words is "one trillion, forty-five billion, three hundred ninety-three million, two hundred fourteen thousand, eight hundred seventy-three".