4149649441 has 4 divisors (see below), whose sum is σ = 4742456512. Its totient is φ = 3556842372.

The previous prime is 4149649417. The next prime is 4149649447. The reversal of 4149649441 is 1449469414.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1449469414 = 2 ⋅724734707.

It is a cyclic number.

It is not a de Polignac number, because 4149649441 - 2⁵ = 4149649409 is a prime.

It is a super-2 number, since 2×4149649441² = 34439180966383224962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4149649391 and 4149649400.

It is not an unprimeable number, because it can be changed into a prime (4149649447) 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, 296403525 + ... + 296403538.

It is an arithmetic number, because the mean of its divisors is an integer number (1185614128).

Almost surely, 2^4149649441 is an apocalyptic number.

It is an amenable number.

4149649441 is a deficient number, since it is larger than the sum of its proper divisors (592807071).

4149649441 is an equidigital number, since it uses as much as digits as its factorization.

4149649441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592807070.

The product of its digits is 497664, while the sum is 46.

The square root of 4149649441 is about 64417.7727106425. The cubic root of 4149649441 is about 1606.9553251427.

The spelling of 4149649441 in words is "four billion, one hundred forty-nine million, six hundred forty-nine thousand, four hundred forty-one".