2385613821 has 8 divisors (see below), whose sum is σ = 3181117504. Its totient is φ = 1590259680.

The previous prime is 2385613807. The next prime is 2385613831. The reversal of 2385613821 is 1283165832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2385613821 - 2⁹ = 2385613309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2385613821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2385613801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7560 + ... + 69486.

It is an arithmetic number, because the mean of its divisors is an integer number (397639688).

Almost surely, 2^2385613821 is an apocalyptic number.

It is an amenable number.

2385613821 is a deficient number, since it is larger than the sum of its proper divisors (795503683).

2385613821 is a wasteful number, since it uses less digits than its factorization.

2385613821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74771.

The product of its digits is 69120, while the sum is 39.

The square root of 2385613821 is about 48842.7458380464. The cubic root of 2385613821 is about 1336.1853753688.

The spelling of 2385613821 in words is "two billion, three hundred eighty-five million, six hundred thirteen thousand, eight hundred twenty-one".