3921969102 has 16 divisors (see below), whose sum is σ = 7849429200. Its totient is φ = 1306407872.

The previous prime is 3921969091. The next prime is 3921969137. The reversal of 3921969102 is 2019691293.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219477 + ... + 236672.

It is an arithmetic number, because the mean of its divisors is an integer number (490589325).

Almost surely, 2^3921969102 is an apocalyptic number.

3921969102 is an abundant number, since it is smaller than the sum of its proper divisors (3927460098).

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

3921969102 is a wasteful number, since it uses less digits than its factorization.

3921969102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457587.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 3921969102 is about 62625.6265597399. The cubic root of 3921969102 is about 1577.0109999692.

The spelling of 3921969102 in words is "three billion, nine hundred twenty-one million, nine hundred sixty-nine thousand, one hundred two".