3918455347 has 4 divisors (see below), whose sum is σ = 3919679640. Its totient is φ = 3917231056.

The previous prime is 3918455339. The next prime is 3918455357. The reversal of 3918455347 is 7435548193.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7435548193 = 8663 ⋅858311.

It is a cyclic number.

It is not a de Polignac number, because 3918455347 - 2³ = 3918455339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3918455347.

It is not an unprimeable number, because it can be changed into a prime (3918455327) 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, 607333 + ... + 613750.

It is an arithmetic number, because the mean of its divisors is an integer number (979919910).

Almost surely, 2^3918455347 is an apocalyptic number.

3918455347 is a deficient number, since it is larger than the sum of its proper divisors (1224293).

3918455347 is a wasteful number, since it uses less digits than its factorization.

3918455347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224292.

The product of its digits is 1814400, while the sum is 49.

The square root of 3918455347 is about 62597.5666220341. The cubic root of 3918455347 is about 1576.5399027736.

The spelling of 3918455347 in words is "three billion, nine hundred eighteen million, four hundred fifty-five thousand, three hundred forty-seven".