4209146149 has 16 divisors (see below), whose sum is σ = 4595019520. Its totient is φ = 3832246080.

The previous prime is 4209146143. The next prime is 4209146173. The reversal of 4209146149 is 9416419024.

It is a de Polignac number, because none of the positive numbers 2^k-4209146149 is a prime.

It is a super-2 number, since 2×4209146149² = 35433822607283060402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4209146143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1570999 + ... + 1573675.

It is an arithmetic number, because the mean of its divisors is an integer number (287188720).

Almost surely, 2^4209146149 is an apocalyptic number.

It is an amenable number.

4209146149 is a deficient number, since it is larger than the sum of its proper divisors (385873371).

4209146149 is a wasteful number, since it uses less digits than its factorization.

4209146149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4300.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 4209146149 is about 64877.9326813054. The cubic root of 4209146149 is about 1614.5989603184.

The spelling of 4209146149 in words is "four billion, two hundred nine million, one hundred forty-six thousand, one hundred forty-nine".