6489321325577 has 4 divisors (see below), whose sum is σ = 6525574517520. Its totient is φ = 6453068133636.

The previous prime is 6489321325519. The next prime is 6489321325609. The reversal of 6489321325577 is 7755231239846.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6489321325577 - 2¹⁶ = 6489321260041 is a prime.

It is a super-2 number, since 2×6489321325577² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6489321325177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18126595703 + ... + 18126596060.

It is an arithmetic number, because the mean of its divisors is an integer number (1631393629380).

Almost surely, 2^{6489321325577} is an apocalyptic number.

It is an amenable number.

6489321325577 is a deficient number, since it is larger than the sum of its proper divisors (36253191943).

6489321325577 is a wasteful number, since it uses less digits than its factorization.

6489321325577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36253191942.

The product of its digits is 76204800, while the sum is 62.

The spelling of 6489321325577 in words is "six trillion, four hundred eighty-nine billion, three hundred twenty-one million, three hundred twenty-five thousand, five hundred seventy-seven".