6451676731327 has 4 divisors (see below), whose sum is σ = 6476780532096. Its totient is φ = 6426572930560.

The previous prime is 6451676731309. The next prime is 6451676731373. The reversal of 6451676731327 is 7231376761546.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6451676731327 - 2¹¹ = 6451676729279 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 (6451676737327) 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, 12551899999 + ... + 12551900512.

It is an arithmetic number, because the mean of its divisors is an integer number (1619195133024).

Almost surely, 2^{6451676731327} is an apocalyptic number.

6451676731327 is a deficient number, since it is larger than the sum of its proper divisors (25103800769).

6451676731327 is a wasteful number, since it uses less digits than its factorization.

6451676731327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25103800768.

The product of its digits is 26671680, while the sum is 58.

The spelling of 6451676731327 in words is "six trillion, four hundred fifty-one billion, six hundred seventy-six million, seven hundred thirty-one thousand, three hundred twenty-seven".