2402543983 has 4 divisors (see below), whose sum is σ = 2745764560. Its totient is φ = 2059323408.

The previous prime is 2402543911. The next prime is 2402543999. The reversal of 2402543983 is 3893452042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3893452042 = 2 ⋅1946726021.

It is a cyclic number.

It is not a de Polignac number, because 2402543983 - 2¹⁷ = 2402412911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402540983) 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, 171610278 + ... + 171610291.

It is an arithmetic number, because the mean of its divisors is an integer number (686441140).

Almost surely, 2^2402543983 is an apocalyptic number.

2402543983 is a deficient number, since it is larger than the sum of its proper divisors (343220577).

2402543983 is an equidigital number, since it uses as much as digits as its factorization.

2402543983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343220576.

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 2402543983 is about 49015.7523965510. The cubic root of 2402543983 is about 1339.3387959051.

The spelling of 2402543983 in words is "two billion, four hundred two million, five hundred forty-three thousand, nine hundred eighty-three".