3909101020 has 36 divisors (see below), whose sum is σ = 9023244552. Its totient is φ = 1421490400.

The previous prime is 3909100963. The next prime is 3909101041. The reversal of 3909101020 is 201019093.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 805246 + ... + 810085.

It is an arithmetic number, because the mean of its divisors is an integer number (250645682).

Almost surely, 2^3909101020 is an apocalyptic number.

It is an amenable number.

3909101020 is an abundant number, since it is smaller than the sum of its proper divisors (5114143532).

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

3909101020 is a wasteful number, since it uses less digits than its factorization.

3909101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615362 (or 1615349 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 3909101020 is about 62522.8039998207. The cubic root of 3909101020 is about 1575.2843722688.

The spelling of 3909101020 in words is "three billion, nine hundred nine million, one hundred one thousand, twenty".