6451706873 has 16 divisors (see below), whose sum is σ = 6987720960. Its totient is φ = 5933496576.

The previous prime is 6451706867. The next prime is 6451706897. The reversal of 6451706873 is 3786071546.

It is not a de Polignac number, because 6451706873 - 2¹⁰ = 6451705849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6451736873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520415 + ... + 532667.

It is an arithmetic number, because the mean of its divisors is an integer number (436732560).

Almost surely, 2^6451706873 is an apocalyptic number.

It is an amenable number.

6451706873 is a deficient number, since it is larger than the sum of its proper divisors (536014087).

6451706873 is a wasteful number, since it uses less digits than its factorization.

6451706873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12976.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 6451706873 is about 80322.5178452469. The cubic root of 6451706873 is about 1861.6221707046.

The spelling of 6451706873 in words is "six billion, four hundred fifty-one million, seven hundred six thousand, eight hundred seventy-three".