2449109557 has 12 divisors (see below), whose sum is σ = 2627191596. Its totient is φ = 2282152320.

The previous prime is 2449109543. The next prime is 2449109561. The reversal of 2449109557 is 7559019442.

It can be written as a sum of positive squares in 2 ways, for example, as 866183761 + 1582925796 = 29431^2 + 39786^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2449109557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2449109657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33588 + ... + 77629.

It is an arithmetic number, because the mean of its divisors is an integer number (218932633).

Almost surely, 2^2449109557 is an apocalyptic number.

It is an amenable number.

2449109557 is a deficient number, since it is larger than the sum of its proper divisors (178082039).

2449109557 is a wasteful number, since it uses less digits than its factorization.

2449109557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111316 (or 111297 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 2449109557 is about 49488.4790330032. The cubic root of 2449109557 is about 1347.9364095556.

The spelling of 2449109557 in words is "two billion, four hundred forty-nine million, one hundred nine thousand, five hundred fifty-seven".