2663881002 has 12 divisors (see below), whose sum is σ = 5771742210. Its totient is φ = 887960328.

The previous prime is 2663881001. The next prime is 2663881013. The reversal of 2663881002 is 2001883662.

2663881002 is a `hidden beast` number, since 2 + 6 + 638 + 8 + 10 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2569577481 + 94303521 = 50691^2 + 9711^2 .

It is not an unprimeable number, because it can be changed into a prime (2663881001) 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 5 ways as a sum of consecutive naturals, for example, 73996677 + ... + 73996712.

Almost surely, 2^2663881002 is an apocalyptic number.

2663881002 is an abundant number, since it is smaller than the sum of its proper divisors (3107861208).

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

2663881002 is a wasteful number, since it uses less digits than its factorization.

2663881002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147993397 (or 147993394 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 2663881002 is about 51612.7988196726. The cubic root of 2663881002 is about 1386.2395124643.

The spelling of 2663881002 in words is "two billion, six hundred sixty-three million, eight hundred eighty-one thousand, two".