3914128969 has 3 divisors (see below), whose sum is σ = 3914191533. Its totient is φ = 3914066406.

The previous prime is 3914128949. The next prime is 3914128987. The reversal of 3914128969 is 9698214193.

The square root of 3914128969 is 62563.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9698214193 = 2399 ⋅4042607.

It is not a de Polignac number, because 3914128969 - 2⁹ = 3914128457 is a prime.

It is a super-2 number, since 2×3914128969² = 30640811171930005922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3914128949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 31282 + ... + 93844.

It is an arithmetic number, because the mean of its divisors is an integer number (1304730511).

Almost surely, 2^3914128969 is an apocalyptic number.

3914128969 is the 62563-rd square number.

3914128969 is the 31282-nd centered octagonal number.

It is an amenable number.

3914128969 is a deficient number, since it is larger than the sum of its proper divisors (62564).

3914128969 is an frugal number, since it uses more digits than its factorization.

3914128969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125126 (or 62563 counting only the distinct ones).

The product of its digits is 839808, while the sum is 52.

The cubic root of 3914128969 is about 1575.9594683301.

The spelling of 3914128969 in words is "three billion, nine hundred fourteen million, one hundred twenty-eight thousand, nine hundred sixty-nine".