7455768489 has 48 divisors (see below), whose sum is σ = 12334467600. Its totient is φ = 4299153408.

The previous prime is 7455768487. The next prime is 7455768497. The reversal of 7455768489 is 9848675547.

7455768489 is a `hidden beast` number, since 7 + 45 + 57 + 68 + 489 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 101848464 + 7353920025 = 10092^2 + 85755^2 .

It is not a de Polignac number, because 7455768489 - 2¹ = 7455768487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7455768487) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 447297 + ... + 463665.

It is an arithmetic number, because the mean of its divisors is an integer number (256968075).

Almost surely, 2^7455768489 is an apocalyptic number.

It is an amenable number.

7455768489 is a deficient number, since it is larger than the sum of its proper divisors (4878699111).

7455768489 is a wasteful number, since it uses less digits than its factorization.

7455768489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16634 (or 16631 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 63.

The square root of 7455768489 is about 86346.7920017878. The cubic root of 7455768489 is about 1953.5782197497.

The spelling of 7455768489 in words is "seven billion, four hundred fifty-five million, seven hundred sixty-eight thousand, four hundred eighty-nine".