3909090488164 has 9 divisors (see below), whose sum is σ = 6840915274291. Its totient is φ = 1954543266940.

The previous prime is 3909090488129. The next prime is 3909090488227. The reversal of 3909090488164 is 4618840909093.

The square root of 3909090488164 is 1977142.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3459999 + ... + 4448569.

Almost surely, 2^{3909090488164} is an apocalyptic number.

3909090488164 is the 1977142-nd square number.

It is an amenable number.

3909090488164 is a deficient number, since it is larger than the sum of its proper divisors (2931824786127).

3909090488164 is an frugal number, since it uses more digits than its factorization.

3909090488164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977146 (or 988573 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 61.

The spelling of 3909090488164 in words is "three trillion, nine hundred nine billion, ninety million, four hundred eighty-eight thousand, one hundred sixty-four".