6734687549 has 4 divisors (see below), whose sum is σ = 6768530400. Its totient is φ = 6700844700.

The previous prime is 6734687539. The next prime is 6734687591. The reversal of 6734687549 is 9457864376.

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 6734687549 - 2¹² = 6734683453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6734687539) 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, 16921127 + ... + 16921524.

It is an arithmetic number, because the mean of its divisors is an integer number (1692132600).

Almost surely, 2^6734687549 is an apocalyptic number.

It is an amenable number.

6734687549 is a deficient number, since it is larger than the sum of its proper divisors (33842851).

6734687549 is a wasteful number, since it uses less digits than its factorization.

6734687549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33842850.

The product of its digits is 30481920, while the sum is 59.

The square root of 6734687549 is about 82065.1421067435. The cubic root of 6734687549 is about 1888.4514203122.

The spelling of 6734687549 in words is "six billion, seven hundred thirty-four million, six hundred eighty-seven thousand, five hundred forty-nine".