7268432449 has 4 divisors (see below), whose sum is σ = 7279169364. Its totient is φ = 7257695536.

The previous prime is 7268432447. The next prime is 7268432461. The reversal of 7268432449 is 9442348627.

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 7223810049 + 44622400 = 84993^2 + 6680^2 .

It is a cyclic number.

It is not a de Polignac number, because 7268432449 - 2¹ = 7268432447 is a prime.

It is a super-2 number, since 2×7268432449² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7268432447) 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 3 ways as a sum of consecutive naturals, for example, 5367442 + ... + 5368795.

It is an arithmetic number, because the mean of its divisors is an integer number (1819792341).

Almost surely, 2^7268432449 is an apocalyptic number.

It is an amenable number.

7268432449 is a deficient number, since it is larger than the sum of its proper divisors (10736915).

7268432449 is a wasteful number, since it uses less digits than its factorization.

7268432449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10736914.

The product of its digits is 2322432, while the sum is 49.

The square root of 7268432449 is about 85255.1021874937. The cubic root of 7268432449 is about 1937.0771560574.

The spelling of 7268432449 in words is "seven billion, two hundred sixty-eight million, four hundred thirty-two thousand, four hundred forty-nine".