1989929341 has 8 divisors (see below), whose sum is σ = 2102734080. Its totient is φ = 1879315152.

The previous prime is 1989929323. The next prime is 1989929351. The reversal of 1989929341 is 1439299891.

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 1989929341 - 2⁵ = 1989929309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1989929311) 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, 545770 + ... + 549403.

It is an arithmetic number, because the mean of its divisors is an integer number (262841760).

Almost surely, 2^1989929341 is an apocalyptic number.

It is an amenable number.

1989929341 is a deficient number, since it is larger than the sum of its proper divisors (112804739).

1989929341 is a wasteful number, since it uses less digits than its factorization.

1989929341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095275.

The product of its digits is 1259712, while the sum is 55.

The square root of 1989929341 is about 44608.6240653083. The cubic root of 1989929341 is about 1257.8027846419.

The spelling of 1989929341 in words is "one billion, nine hundred eighty-nine million, nine hundred twenty-nine thousand, three hundred forty-one".