6734661488731 has 18 divisors (see below), whose sum is σ = 7563414508580. Its totient is φ = 5992155051960.

The previous prime is 6734661488677. The next prime is 6734661488741. The reversal of 6734661488731 is 1378841664376.

It is a happy number.

It is not a de Polignac number, because 6734661488731 - 2⁷ = 6734661488603 is a prime.

It is a super-2 number, since 2×6734661488731² (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 (6734661488741) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12330801 + ... + 12865378.

Almost surely, 2^{6734661488731} is an apocalyptic number.

6734661488731 is a deficient number, since it is larger than the sum of its proper divisors (828753019849).

6734661488731 is a wasteful number, since it uses less digits than its factorization.

6734661488731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25196295 (or 25196237 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 64.

The spelling of 6734661488731 in words is "six trillion, seven hundred thirty-four billion, six hundred sixty-one million, four hundred eighty-eight thousand, seven hundred thirty-one".