6642236903 has 8 divisors (see below), whose sum is σ = 6704599440. Its totient is φ = 6580082880.

The previous prime is 6642236891. The next prime is 6642236947. The reversal of 6642236903 is 3096322466.

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

It is a cyclic number.

It is not a de Polignac number, because 6642236903 - 2¹⁰ = 6642235879 is a prime.

It is a super-2 number, since 2×6642236903² = 88238622151150062818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6642236203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12251 + ... + 115907.

It is an arithmetic number, because the mean of its divisors is an integer number (838074930).

Almost surely, 2^6642236903 is an apocalyptic number.

6642236903 is a deficient number, since it is larger than the sum of its proper divisors (62362537).

6642236903 is a wasteful number, since it uses less digits than its factorization.

6642236903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104257.

The product of its (nonzero) digits is 279936, while the sum is 41.

The square root of 6642236903 is about 81499.9196502671. The cubic root of 6642236903 is about 1879.7703151382.

The spelling of 6642236903 in words is "six billion, six hundred forty-two million, two hundred thirty-six thousand, nine hundred three".