4628418349 has 4 divisors (see below), whose sum is σ = 4630189564. Its totient is φ = 4626647136.

The previous prime is 4628418287. The next prime is 4628418367. The reversal of 4628418349 is 9438148264.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3533470249 + 1094948100 = 59443^2 + 33090^2 .

It is a cyclic number.

It is not a de Polignac number, because 4628418349 - 2⁹ = 4628417837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4628418149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881682 + ... + 886915.

It is an arithmetic number, because the mean of its divisors is an integer number (1157547391).

Almost surely, 2^4628418349 is an apocalyptic number.

It is an amenable number.

4628418349 is a deficient number, since it is larger than the sum of its proper divisors (1771215).

4628418349 is a wasteful number, since it uses less digits than its factorization.

4628418349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771214.

The product of its digits is 1327104, while the sum is 49.

The square root of 4628418349 is about 68032.4801032566. The cubic root of 4628418349 is about 1666.5213003127.

The spelling of 4628418349 in words is "four billion, six hundred twenty-eight million, four hundred eighteen thousand, three hundred forty-nine".