2449557049 has 9 divisors (see below), whose sum is σ = 2510029029. Its totient is φ = 2390511900.

The previous prime is 2449557031. The next prime is 2449557067. The reversal of 2449557049 is 9407559442.

It is a happy number.

The square root of 2449557049 is 49493.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (2449557031) and next prime (2449557067).

It is not a de Polignac number, because 2449557049 - 2¹¹ = 2449555001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2449556993 and 2449557011.

It is not an unprimeable number, because it can be changed into a prime (2449557449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2127624 + ... + 2128774.

Almost surely, 2^2449557049 is an apocalyptic number.

2449557049 is the 49493-rd square number.

2449557049 is the 24747-th centered octagonal number.

It is an amenable number.

2449557049 is a deficient number, since it is larger than the sum of its proper divisors (60471980).

2449557049 is an frugal number, since it uses more digits than its factorization.

2449557049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2388 (or 1194 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The cubic root of 2449557049 is about 1348.0185011637.

Multiplying 2449557049 by its sum of digits (49), we get a square (120028295401 = 346451²).

It can be divided in two parts, 244955 and 7049, that added together give a square (252004 = 502²).

The spelling of 2449557049 in words is "two billion, four hundred forty-nine million, five hundred fifty-seven thousand, forty-nine".