2385745993 has 4 divisors (see below), whose sum is σ = 2386033168. Its totient is φ = 2385458820.

The previous prime is 2385745981. The next prime is 2385746003. The reversal of 2385745993 is 3995475832.

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 2385745993 - 2⁵ = 2385745961 is a prime.

It is a super-3 number, since 3×2385745993³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2385745913) 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, 130743 + ... + 147868.

It is an arithmetic number, because the mean of its divisors is an integer number (596508292).

Almost surely, 2^2385745993 is an apocalyptic number.

It is an amenable number.

2385745993 is a deficient number, since it is larger than the sum of its proper divisors (287175).

2385745993 is an equidigital number, since it uses as much as digits as its factorization.

2385745993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287174.

The product of its digits is 8164800, while the sum is 55.

The square root of 2385745993 is about 48844.0988554400. The cubic root of 2385745993 is about 1336.2100514822.

The spelling of 2385745993 in words is "two billion, three hundred eighty-five million, seven hundred forty-five thousand, nine hundred ninety-three".