4149694149 has 4 divisors (see below), whose sum is σ = 5532925536. Its totient is φ = 2766462764.

The previous prime is 4149694127. The next prime is 4149694151. The reversal of 4149694149 is 9414969414.

4149694149 is digitally balanced in base 3, 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 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 4149694149 - 2¹² = 4149690053 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4149694349) 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, 691615689 + ... + 691615694.

It is an arithmetic number, because the mean of its divisors is an integer number (1383231384).

Almost surely, 2^4149694149 is an apocalyptic number.

It is an amenable number.

4149694149 is a deficient number, since it is larger than the sum of its proper divisors (1383231387).

4149694149 is a wasteful number, since it uses less digits than its factorization.

4149694149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383231386.

The product of its digits is 1119744, while the sum is 51.

The square root of 4149694149 is about 64418.1197257418. The cubic root of 4149694149 is about 1606.9610961925.

The spelling of 4149694149 in words is "four billion, one hundred forty-nine million, six hundred ninety-four thousand, one hundred forty-nine".