6451376951 has 4 divisors (see below), whose sum is σ = 6478370400. Its totient is φ = 6424383504.

The previous prime is 6451376891. The next prime is 6451376957. The reversal of 6451376951 is 1596731546.

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 6451376951 - 2¹⁸ = 6451114807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6451376896 and 6451376905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6451376957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13496366 + ... + 13496843.

It is an arithmetic number, because the mean of its divisors is an integer number (1619592600).

Almost surely, 2^6451376951 is an apocalyptic number.

6451376951 is a deficient number, since it is larger than the sum of its proper divisors (26993449).

6451376951 is a wasteful number, since it uses less digits than its factorization.

6451376951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26993448.

The product of its digits is 680400, while the sum is 47.

The square root of 6451376951 is about 80320.4640860597. The cubic root of 6451376951 is about 1861.5904374702.

The spelling of 6451376951 in words is "six billion, four hundred fifty-one million, three hundred seventy-six thousand, nine hundred fifty-one".