2345385773 has 4 divisors (see below), whose sum is σ = 2483349660. Its totient is φ = 2207421888.

The previous prime is 2345385743. The next prime is 2345385793. The reversal of 2345385773 is 3775835432.

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 913671529 + 1431714244 = 30227^2 + 37838^2 .

It is a cyclic number.

It is not a de Polignac number, because 2345385773 - 2¹⁸ = 2345123629 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 (2345385703) 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, 68981918 + ... + 68981951.

It is an arithmetic number, because the mean of its divisors is an integer number (620837415).

Almost surely, 2^2345385773 is an apocalyptic number.

It is an amenable number.

2345385773 is a deficient number, since it is larger than the sum of its proper divisors (137963887).

2345385773 is a wasteful number, since it uses less digits than its factorization.

2345385773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137963886.

The product of its digits is 2116800, while the sum is 47.

The square root of 2345385773 is about 48429.1830717802. The cubic root of 2345385773 is about 1328.6321650704.

The spelling of 2345385773 in words is "two billion, three hundred forty-five million, three hundred eighty-five thousand, seven hundred seventy-three".