6381700973 has 4 divisors (see below), whose sum is σ = 6402090108. Its totient is φ = 6361311840.

The previous prime is 6381700961. The next prime is 6381700979. The reversal of 6381700973 is 3790071836.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1023168169 + 5358532804 = 31987^2 + 73202^2 .

It is not a de Polignac number, because 6381700973 - 2¹⁶ = 6381635437 is a prime.

It is a super-2 number, since 2×6381700973² = 81452214617578293458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6381700979) 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 3 ways as a sum of consecutive naturals, for example, 10194098 + ... + 10194723.

It is an arithmetic number, because the mean of its divisors is an integer number (1600522527).

Almost surely, 2^6381700973 is an apocalyptic number.

It is an amenable number.

6381700973 is a deficient number, since it is larger than the sum of its proper divisors (20389135).

6381700973 is a wasteful number, since it uses less digits than its factorization.

6381700973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20389134.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 6381700973 is about 79885.5492126079. The cubic root of 6381700973 is about 1854.8643326310.

The spelling of 6381700973 in words is "six billion, three hundred eighty-one million, seven hundred thousand, nine hundred seventy-three".