3916912749 has 4 divisors (see below), whose sum is σ = 5222550336. Its totient is φ = 2611275164.

The previous prime is 3916912739. The next prime is 3916912781. The reversal of 3916912749 is 9472196193.

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 a cyclic number.

It is not a de Polignac number, because 3916912749 - 2⁴ = 3916912733 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3916912739) 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, 652818789 + ... + 652818794.

It is an arithmetic number, because the mean of its divisors is an integer number (1305637584).

Almost surely, 2^3916912749 is an apocalyptic number.

It is an amenable number.

3916912749 is a deficient number, since it is larger than the sum of its proper divisors (1305637587).

3916912749 is a wasteful number, since it uses less digits than its factorization.

3916912749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305637586.

The product of its digits is 734832, while the sum is 51.

The square root of 3916912749 is about 62585.2438598748. The cubic root of 3916912749 is about 1576.3329941587.

The spelling of 3916912749 in words is "three billion, nine hundred sixteen million, nine hundred twelve thousand, seven hundred forty-nine".