6287402493 has 20 divisors (see below), whose sum is σ = 9394757020. Its totient is φ = 4190501952.

The previous prime is 6287402483. The next prime is 6287402501. The reversal of 6287402493 is 3942047826.

It can be written as a sum of positive squares in 2 ways, for example, as 5271195609 + 1016206884 = 72603^2 + 31878^2 .

It is not a de Polignac number, because 6287402493 - 2¹⁴ = 6287386109 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 (6287402453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 403593 + ... + 418881.

It is an arithmetic number, because the mean of its divisors is an integer number (469737851).

Almost surely, 2^6287402493 is an apocalyptic number.

It is an amenable number.

6287402493 is a deficient number, since it is larger than the sum of its proper divisors (3107354527).

6287402493 is a wasteful number, since it uses less digits than its factorization.

6287402493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20378 (or 20369 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 6287402493 is about 79293.1427867505. The cubic root of 6287402493 is about 1845.6828961254.

The spelling of 6287402493 in words is "six billion, two hundred eighty-seven million, four hundred two thousand, four hundred ninety-three".