3261974405 has 4 divisors (see below), whose sum is σ = 3914369292. Its totient is φ = 2609579520.

The previous prime is 3261974393. The next prime is 3261974449. The reversal of 3261974405 is 5044791623.

3261974405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2130930244 + 1131044161 = 46162^2 + 33631^2 .

It is not a de Polignac number, because 3261974405 - 2⁴ = 3261974389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326197436 + ... + 326197445.

It is an arithmetic number, because the mean of its divisors is an integer number (978592323).

Almost surely, 2^3261974405 is an apocalyptic number.

It is an amenable number.

3261974405 is a deficient number, since it is larger than the sum of its proper divisors (652394887).

3261974405 is an equidigital number, since it uses as much as digits as its factorization.

3261974405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652394886.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 3261974405 is about 57113.6971750210. The cubic root of 3261974405 is about 1483.0649905808.

The spelling of 3261974405 in words is "three billion, two hundred sixty-one million, nine hundred seventy-four thousand, four hundred five".