7565738449 has 8 divisors (see below), whose sum is σ = 7811301888. Its totient is φ = 7320269280.

The previous prime is 7565738417. The next prime is 7565738461. The reversal of 7565738449 is 9448375657.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7565738449 - 2⁵ = 7565738417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7565738393 and 7565738402.

It is not an unprimeable number, because it can be changed into a prime (7565738489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163149 + ... + 204325.

It is an arithmetic number, because the mean of its divisors is an integer number (976412736).

Almost surely, 2^7565738449 is an apocalyptic number.

It is an amenable number.

7565738449 is a deficient number, since it is larger than the sum of its proper divisors (245563439).

7565738449 is a wasteful number, since it uses less digits than its factorization.

7565738449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47135.

The product of its digits is 25401600, while the sum is 58.

The square root of 7565738449 is about 86981.2534342889. The cubic root of 7565738449 is about 1963.1362437808.

The spelling of 7565738449 in words is "seven billion, five hundred sixty-five million, seven hundred thirty-eight thousand, four hundred forty-nine".