3930873265449 has 81 divisors (see below), whose sum is σ = 6371244085167. Its totient is φ = 2334252840192.

The previous prime is 3930873265439. The next prime is 3930873265453. The reversal of 3930873265449 is 9445623780393.

The square root of 3930873265449 is 1982643.

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

3930873265449 is a `hidden beast` number, since 3 + 9 + 3 + 0 + 87 + 3 + 2 + 6 + 544 + 9 = 666.

3930873265449 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 13 ways, for example, as 3780080843049 + 150792422400 = 1944243^2 + 388320^2 .

It is not a de Polignac number, because 3930873265449 - 2⁹ = 3930873264937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3930873265439) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 2242368357 + ... + 2242370109.

Almost surely, 2^{3930873265449} is an apocalyptic number.

3930873265449 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

3930873265449 is the 1982643-rd square number.

3930873265449 is the 991322-nd centered octagonal number.

It is an amenable number.

3930873265449 is a deficient number, since it is larger than the sum of its proper divisors (2440370819718).

3930873265449 is an equidigital number, since it uses as much as digits as its factorization.

3930873265449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3596 (or 1798 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 63.

The spelling of 3930873265449 in words is "three trillion, nine hundred thirty billion, eight hundred seventy-three million, two hundred sixty-five thousand, four hundred forty-nine".