6562249838 has 8 divisors (see below), whose sum is σ = 9848309832. Its totient is φ = 3279479896.

The previous prime is 6562249831. The next prime is 6562249919. The reversal of 6562249838 is 8389422656.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6562249838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6562249831) 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 3 ways as a sum of consecutive naturals, for example, 817520 + ... + 825507.

It is an arithmetic number, because the mean of its divisors is an integer number (1231038729).

Almost surely, 2^6562249838 is an apocalyptic number.

6562249838 is a deficient number, since it is larger than the sum of its proper divisors (3286059994).

6562249838 is a wasteful number, since it uses less digits than its factorization.

6562249838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645026.

The product of its digits is 4976640, while the sum is 53.

The square root of 6562249838 is about 81007.7146819980. The cubic root of 6562249838 is about 1872.1943068986.

The spelling of 6562249838 in words is "six billion, five hundred sixty-two million, two hundred forty-nine thousand, eight hundred thirty-eight".