3918455349 has 4 divisors (see below), whose sum is σ = 5224607136. Its totient is φ = 2612303564.

The previous prime is 3918455339. The next prime is 3918455357. The reversal of 3918455349 is 9435548193.

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 a de Polignac number, because none of the positive numbers 2^k-3918455349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3918455339) 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 3 ways as a sum of consecutive naturals, for example, 653075889 + ... + 653075894.

It is an arithmetic number, because the mean of its divisors is an integer number (1306151784).

Almost surely, 2^3918455349 is an apocalyptic number.

It is an amenable number.

3918455349 is a deficient number, since it is larger than the sum of its proper divisors (1306151787).

3918455349 is a wasteful number, since it uses less digits than its factorization.

3918455349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306151786.

The product of its digits is 2332800, while the sum is 51.

The square root of 3918455349 is about 62597.5666380092. The cubic root of 3918455349 is about 1576.5399030418.

The spelling of 3918455349 in words is "three billion, nine hundred eighteen million, four hundred fifty-five thousand, three hundred forty-nine".