2443620949 has 16 divisors (see below), whose sum is σ = 3057384960. Its totient is φ = 1897374960.

The previous prime is 2443620941. The next prime is 2443620961. The reversal of 2443620949 is 9490263442.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2443620949 - 2³ = 2443620941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443620941) 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, 34279 + ... + 77860.

It is an arithmetic number, because the mean of its divisors is an integer number (191086560).

Almost surely, 2^2443620949 is an apocalyptic number.

It is an amenable number.

2443620949 is a deficient number, since it is larger than the sum of its proper divisors (613764011).

2443620949 is a wasteful number, since it uses less digits than its factorization.

2443620949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112440.

The product of its (nonzero) digits is 373248, while the sum is 43.

The square root of 2443620949 is about 49432.9945380613. The cubic root of 2443620949 is about 1346.9287197592.

The spelling of 2443620949 in words is "two billion, four hundred forty-three million, six hundred twenty thousand, nine hundred forty-nine".