3969454900 has 18 divisors (see below), whose sum is σ = 8613717350. Its totient is φ = 1587781920.

The previous prime is 3969454883. The next prime is 3969454921. The reversal of 3969454900 is 94549693.

It can be written as a sum of positive squares in 3 ways, for example, as 448931344 + 3520523556 = 21188^2 + 59334^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19847175 + ... + 19847374.

Almost surely, 2^3969454900 is an apocalyptic number.

It is an amenable number.

3969454900 is an abundant number, since it is smaller than the sum of its proper divisors (4644262450).

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

3969454900 is a wasteful number, since it uses less digits than its factorization.

3969454900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39694563 (or 39694556 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 49.

The square root of 3969454900 is about 63003.6102140187. The cubic root of 3969454900 is about 1583.3501127185.

The spelling of 3969454900 in words is "three billion, nine hundred sixty-nine million, four hundred fifty-four thousand, nine hundred".