3493458149 has 4 divisors (see below), whose sum is σ = 3496751820. Its totient is φ = 3490164480.

The previous prime is 3493458139. The next prime is 3493458181. The reversal of 3493458149 is 9418543943.

3493458149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9418543943 = 2267 ⋅4154629.

It can be written as a sum of positive squares in 2 ways, for example, as 2005427524 + 1488030625 = 44782^2 + 38575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3493458149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3493458097 and 3493458106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3493458139) 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, 1645244 + ... + 1647365.

It is an arithmetic number, because the mean of its divisors is an integer number (874187955).

Almost surely, 2^3493458149 is an apocalyptic number.

It is an amenable number.

3493458149 is a deficient number, since it is larger than the sum of its proper divisors (3293671).

3493458149 is a wasteful number, since it uses less digits than its factorization.

3493458149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3293670.

The product of its digits is 1866240, while the sum is 50.

The square root of 3493458149 is about 59105.4832397130. The cubic root of 3493458149 is about 1517.3479477486.

The spelling of 3493458149 in words is "three billion, four hundred ninety-three million, four hundred fifty-eight thousand, one hundred forty-nine".