6135344549 has 4 divisors (see below), whose sum is σ = 6458257440. Its totient is φ = 5812431660.

The previous prime is 6135344539. The next prime is 6135344563. The reversal of 6135344549 is 9454435316.

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 6135344549 - 2¹⁶ = 6135279013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6135344519) 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, 161456417 + ... + 161456454.

It is an arithmetic number, because the mean of its divisors is an integer number (1614564360).

Almost surely, 2^6135344549 is an apocalyptic number.

It is an amenable number.

6135344549 is a deficient number, since it is larger than the sum of its proper divisors (322912891).

6135344549 is a wasteful number, since it uses less digits than its factorization.

6135344549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322912890.

The product of its digits is 777600, while the sum is 44.

The square root of 6135344549 is about 78328.4402308638. The cubic root of 6135344549 is about 1830.6823128797.

The spelling of 6135344549 in words is "six billion, one hundred thirty-five million, three hundred forty-four thousand, five hundred forty-nine".