6218251622442 has 32 divisors (see below), whose sum is σ = 13867165018560. Its totient is φ = 2065426328880.

The previous prime is 6218251622399. The next prime is 6218251622449. The reversal of 6218251622442 is 2442261528126.

6218251622442 is a `hidden beast` number, since 6 + 2 + 18 + 2 + 5 + 1 + 622 + 4 + 4 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (6218251622449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203434909 + ... + 203465472.

It is an arithmetic number, because the mean of its divisors is an integer number (433348906830).

Almost surely, 2^{6218251622442} is an apocalyptic number.

6218251622442 is an abundant number, since it is smaller than the sum of its proper divisors (7648913396118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6218251622442 is a wasteful number, since it uses less digits than its factorization.

6218251622442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406900675 (or 406900669 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The spelling of 6218251622442 in words is "six trillion, two hundred eighteen billion, two hundred fifty-one million, six hundred twenty-two thousand, four hundred forty-two".