2385856493 has 4 divisors (see below), whose sum is σ = 2489589408. Its totient is φ = 2282123580.

The previous prime is 2385856489. The next prime is 2385856531. The reversal of 2385856493 is 3946585832.

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 2385856493 - 2² = 2385856489 is a prime.

It is a super-2 number, since 2×2385856493² = 11384622410380518098, 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 (2385856463) 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, 51866423 + ... + 51866468.

It is an arithmetic number, because the mean of its divisors is an integer number (622397352).

Almost surely, 2^2385856493 is an apocalyptic number.

2385856493 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2385856493 is a deficient number, since it is larger than the sum of its proper divisors (103732915).

2385856493 is a wasteful number, since it uses less digits than its factorization.

2385856493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103732914.

The product of its digits is 6220800, while the sum is 53.

The square root of 2385856493 is about 48845.2299922930. The cubic root of 2385856493 is about 1336.2306807992.

The spelling of 2385856493 in words is "two billion, three hundred eighty-five million, eight hundred fifty-six thousand, four hundred ninety-three".