3698921289 has 8 divisors (see below), whose sum is σ = 5636451520. Its totient is φ = 2113669296.

The previous prime is 3698921269. The next prime is 3698921299. The reversal of 3698921289 is 9821298963.

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

It is not a de Polignac number, because 3698921289 - 2⁸ = 3698921033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3698921269) 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, 88069534 + ... + 88069575.

It is an arithmetic number, because the mean of its divisors is an integer number (704556440).

Almost surely, 2^3698921289 is an apocalyptic number.

It is an amenable number.

3698921289 is a deficient number, since it is larger than the sum of its proper divisors (1937530231).

3698921289 is a wasteful number, since it uses less digits than its factorization.

3698921289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176139119.

The product of its digits is 3359232, while the sum is 57.

The square root of 3698921289 is about 60818.7577068128. The cubic root of 3698921289 is about 1546.5300509524.

The spelling of 3698921289 in words is "three billion, six hundred ninety-eight million, nine hundred twenty-one thousand, two hundred eighty-nine".