2402621143 has 4 divisors (see below), whose sum is σ = 2587438168. Its totient is φ = 2217804120.

The previous prime is 2402621131. The next prime is 2402621161. The reversal of 2402621143 is 3411262042.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2402621143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402621183) 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, 92408493 + ... + 92408518.

It is an arithmetic number, because the mean of its divisors is an integer number (646859542).

Almost surely, 2^2402621143 is an apocalyptic number.

2402621143 is a deficient number, since it is larger than the sum of its proper divisors (184817025).

2402621143 is a wasteful number, since it uses less digits than its factorization.

2402621143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184817024.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2402621143 is about 49016.5394841374. The cubic root of 2402621143 is about 1339.3531338009.

Adding to 2402621143 its reverse (3411262042), we get a palindrome (5813883185).

The spelling of 2402621143 in words is "two billion, four hundred two million, six hundred twenty-one thousand, one hundred forty-three".