1829981613 has 8 divisors (see below), whose sum is σ = 2491890048. Its totient is φ = 1194030464.

The previous prime is 1829981581. The next prime is 1829981623. The reversal of 1829981613 is 3161899281.

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 1829981613 - 2⁵ = 1829981581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1829981623) 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 7 ways as a sum of consecutive naturals, for example, 6489156 + ... + 6489437.

It is an arithmetic number, because the mean of its divisors is an integer number (311486256).

Almost surely, 2^1829981613 is an apocalyptic number.

It is an amenable number.

1829981613 is a deficient number, since it is larger than the sum of its proper divisors (661908435).

1829981613 is a wasteful number, since it uses less digits than its factorization.

1829981613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12978643.

The product of its digits is 186624, while the sum is 48.

The square root of 1829981613 is about 42778.2843625127. The cubic root of 1829981613 is about 1223.1571040919.

The spelling of 1829981613 in words is "one billion, eight hundred twenty-nine million, nine hundred eighty-one thousand, six hundred thirteen".