1745813893 has 4 divisors (see below), whose sum is σ = 1745935840. Its totient is φ = 1745691948.

The previous prime is 1745813807. The next prime is 1745813899. The reversal of 1745813893 is 3983185471.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-1745813893 is a prime.

It is a super-2 number, since 2×1745813893² = 6095732297983630898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1745813899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36123 + ... + 69256.

It is an arithmetic number, because the mean of its divisors is an integer number (436483960).

Almost surely, 2^1745813893 is an apocalyptic number.

It is an amenable number.

1745813893 is a deficient number, since it is larger than the sum of its proper divisors (121947).

1745813893 is a wasteful number, since it uses less digits than its factorization.

1745813893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121946.

The product of its digits is 725760, while the sum is 49.

The square root of 1745813893 is about 41782.9378215558. The cubic root of 1745813893 is about 1204.1094969731.

The spelling of 1745813893 in words is "one billion, seven hundred forty-five million, eight hundred thirteen thousand, eight hundred ninety-three".