1001745893 has 4 divisors (see below), whose sum is σ = 1060672140. Its totient is φ = 942819648.

The previous prime is 1001745853. The next prime is 1001745917. The reversal of 1001745893 is 3985471001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 637966564 + 363779329 = 25258^2 + 19073^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001745893 - 2¹⁰ = 1001744869 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 (1001745853) 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, 29463098 + ... + 29463131.

It is an arithmetic number, because the mean of its divisors is an integer number (265168035).

Almost surely, 2^1001745893 is an apocalyptic number.

It is an amenable number.

1001745893 is a deficient number, since it is larger than the sum of its proper divisors (58926247).

1001745893 is an equidigital number, since it uses as much as digits as its factorization.

1001745893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58926246.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 1001745893 is about 31650.3695555044. The cubic root of 1001745893 is about 1000.5816259790.

The spelling of 1001745893 in words is "one billion, one million, seven hundred forty-five thousand, eight hundred ninety-three".