2449131469 has 4 divisors (see below), whose sum is σ = 2593198044. Its totient is φ = 2305064896.

The previous prime is 2449131463. The next prime is 2449131473. The reversal of 2449131469 is 9641319442.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1539385225 + 909746244 = 39235^2 + 30162^2 .

It is a cyclic number.

It is not a de Polignac number, because 2449131469 - 2⁷ = 2449131341 is a prime.

It is a super-2 number, since 2×2449131469² = 11996489904892195922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2449131463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72033262 + ... + 72033295.

It is an arithmetic number, because the mean of its divisors is an integer number (648299511).

Almost surely, 2^2449131469 is an apocalyptic number.

It is an amenable number.

2449131469 is a deficient number, since it is larger than the sum of its proper divisors (144066575).

2449131469 is a wasteful number, since it uses less digits than its factorization.

2449131469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144066574.

The product of its digits is 186624, while the sum is 43.

The square root of 2449131469 is about 49488.7004173680. The cubic root of 2449131469 is about 1347.9404295057.

The spelling of 2449131469 in words is "two billion, four hundred forty-nine million, one hundred thirty-one thousand, four hundred sixty-nine".