468821244639 has 16 divisors (see below), whose sum is σ = 683440588800. Its totient is φ = 283501263360.

The previous prime is 468821244629. The next prime is 468821244713. The reversal of 468821244639 is 936442128864.

It is not a de Polignac number, because 468821244639 - 2³² = 464526277343 is a prime.

It is a super-2 number, since 2×468821244639² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468821244629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15805567 + ... + 15835200.

It is an arithmetic number, because the mean of its divisors is an integer number (42715036800).

Almost surely, 2^468821244639 is an apocalyptic number.

468821244639 is a deficient number, since it is larger than the sum of its proper divisors (214619344161).

468821244639 is a wasteful number, since it uses less digits than its factorization.

468821244639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31641230.

The product of its digits is 15925248, while the sum is 57.

The spelling of 468821244639 in words is "four hundred sixty-eight billion, eight hundred twenty-one million, two hundred forty-four thousand, six hundred thirty-nine".