6418901952 has 84 divisors (see below), whose sum is σ = 18415121920. Its totient is φ = 2137715712.

The previous prime is 6418901947. The next prime is 6418901953. The reversal of 6418901952 is 2591098146.

It is a junction number, because it is equal to n+sod(n) for n = 6418901898 and 6418901907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6418901953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 732348 + ... + 741060.

Almost surely, 2^6418901952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6418901952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9207560960).

6418901952 is an abundant number, since it is smaller than the sum of its proper divisors (11996219968).

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

6418901952 is a wasteful number, since it uses less digits than its factorization.

6418901952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10010 (or 9997 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 6418901952 is about 80118.0501010852. The cubic root of 6418901952 is about 1858.4615513124.

The spelling of 6418901952 in words is "six billion, four hundred eighteen million, nine hundred one thousand, nine hundred fifty-two".