6545248629 has 4 divisors (see below), whose sum is σ = 8726998176. Its totient is φ = 4363499084.

The previous prime is 6545248601. The next prime is 6545248637. The reversal of 6545248629 is 9268425456.

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 6545248629 - 2¹² = 6545244533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545248729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1090874769 + ... + 1090874774.

It is an arithmetic number, because the mean of its divisors is an integer number (2181749544).

Almost surely, 2^6545248629 is an apocalyptic number.

It is an amenable number.

6545248629 is a deficient number, since it is larger than the sum of its proper divisors (2181749547).

6545248629 is a wasteful number, since it uses less digits than its factorization.

6545248629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181749546.

The product of its digits is 4147200, while the sum is 51.

The square root of 6545248629 is about 80902.7108878312. The cubic root of 6545248629 is about 1870.5761071095.

The spelling of 6545248629 in words is "six billion, five hundred forty-five million, two hundred forty-eight thousand, six hundred twenty-nine".