6212249999 has 4 divisors (see below), whose sum is σ = 6212507136. Its totient is φ = 6211992864.

The previous prime is 6212249917. The next prime is 6212250001. The reversal of 6212249999 is 9999422126.

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-6212249999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6212249999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6212242999) 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, 88079 + ... + 142064.

It is an arithmetic number, because the mean of its divisors is an integer number (1553126784).

Almost surely, 2^6212249999 is an apocalyptic number.

6212249999 is a deficient number, since it is larger than the sum of its proper divisors (257137).

6212249999 is a wasteful number, since it uses less digits than its factorization.

6212249999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257136.

The product of its digits is 1259712, while the sum is 53.

The square root of 6212249999 is about 78817.8279261742. The cubic root of 6212249999 is about 1838.2996657256.

The spelling of 6212249999 in words is "six billion, two hundred twelve million, two hundred forty-nine thousand, nine hundred ninety-nine".