6455332539 has 24 divisors (see below), whose sum is σ = 9583224560. Its totient is φ = 4184250048.

The previous prime is 6455332537. The next prime is 6455332571. The reversal of 6455332539 is 9352335546.

It is a happy number.

6455332539 is a `hidden beast` number, since 64 + 5 + 53 + 3 + 2 + 539 = 666.

It is not a de Polignac number, because 6455332539 - 2¹ = 6455332537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6455332494 and 6455332503.

It is not an unprimeable number, because it can be changed into a prime (6455332537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 519669 + ... + 531945.

Almost surely, 2^6455332539 is an apocalyptic number.

6455332539 is a deficient number, since it is larger than the sum of its proper divisors (3127892021).

6455332539 is a wasteful number, since it uses less digits than its factorization.

6455332539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13899 (or 13896 counting only the distinct ones).

The product of its digits is 1458000, while the sum is 45.

The square root of 6455332539 is about 80345.0840997755. The cubic root of 6455332539 is about 1861.9708306987.

The spelling of 6455332539 in words is "six billion, four hundred fifty-five million, three hundred thirty-two thousand, five hundred thirty-nine".