2453999851 has 4 divisors (see below), whose sum is σ = 2454103512. Its totient is φ = 2453896192.

The previous prime is 2453999839. The next prime is 2453999879. The reversal of 2453999851 is 1589993542.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2453999851 - 2⁵ = 2453999819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2453999792 and 2453999801.

It is not an unprimeable number, because it can be changed into a prime (2453991851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3051 + ... + 70123.

It is an arithmetic number, because the mean of its divisors is an integer number (613525878).

Almost surely, 2^2453999851 is an apocalyptic number.

2453999851 is a deficient number, since it is larger than the sum of its proper divisors (103661).

2453999851 is an equidigital number, since it uses as much as digits as its factorization.

2453999851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103660.

The product of its digits is 3499200, while the sum is 55.

The square root of 2453999851 is about 49537.8628021032. The cubic root of 2453999851 is about 1348.8329834078.

The spelling of 2453999851 in words is "two billion, four hundred fifty-three million, nine hundred ninety-nine thousand, eight hundred fifty-one".