3874134261 has 4 divisors (see below), whose sum is σ = 5165512352. Its totient is φ = 2582756172.

The previous prime is 3874134259. The next prime is 3874134289. The reversal of 3874134261 is 1624314783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3874134261 - 2¹ = 3874134259 is a prime.

It is a super-2 number, since 2×3874134261² = 30017832544508032242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3874134211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645689041 + ... + 645689046.

It is an arithmetic number, because the mean of its divisors is an integer number (1291378088).

Almost surely, 2^3874134261 is an apocalyptic number.

It is an amenable number.

3874134261 is a deficient number, since it is larger than the sum of its proper divisors (1291378091).

3874134261 is a wasteful number, since it uses less digits than its factorization.

3874134261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291378090.

The product of its digits is 96768, while the sum is 39.

The square root of 3874134261 is about 62242.5438185169. The cubic root of 3874134261 is about 1570.5733447632.

The spelling of 3874134261 in words is "three billion, eight hundred seventy-four million, one hundred thirty-four thousand, two hundred sixty-one".