6729134953 has 4 divisors (see below), whose sum is σ = 6729382288. Its totient is φ = 6728887620.

The previous prime is 6729134927. The next prime is 6729135011. The reversal of 6729134953 is 3594319276.

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 6729134953 - 2²⁹ = 6192264041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6729134897 and 6729134906.

It is not an unprimeable number, because it can be changed into a prime (6729134903) 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, 76983 + ... + 139228.

It is an arithmetic number, because the mean of its divisors is an integer number (1682345572).

Almost surely, 2^6729134953 is an apocalyptic number.

It is an amenable number.

6729134953 is a deficient number, since it is larger than the sum of its proper divisors (247335).

6729134953 is a wasteful number, since it uses less digits than its factorization.

6729134953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247334.

The product of its digits is 1224720, while the sum is 49.

The square root of 6729134953 is about 82031.3047135056. The cubic root of 6729134953 is about 1887.9322825984.

The spelling of 6729134953 in words is "six billion, seven hundred twenty-nine million, one hundred thirty-four thousand, nine hundred fifty-three".