5181869002 has 8 divisors (see below), whose sum is σ = 8040831300. Its totient is φ = 2501591904.

The previous prime is 5181868969. The next prime is 5181869003. The reversal of 5181869002 is 2009681815.

It can be written as a sum of positive squares in 2 ways, for example, as 5053930281 + 127938721 = 71091^2 + 11311^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5181869003) 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 3 ways as a sum of consecutive naturals, for example, 44671227 + ... + 44671342.

Almost surely, 2^5181869002 is an apocalyptic number.

5181869002 is a deficient number, since it is larger than the sum of its proper divisors (2858962298).

5181869002 is a wasteful number, since it uses less digits than its factorization.

5181869002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89342600.

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 5181869002 is about 71985.1998816423. The cubic root of 5181869002 is about 1730.4623044167.

The spelling of 5181869002 in words is "five billion, one hundred eighty-one million, eight hundred sixty-nine thousand, two".