3721876781273 has 8 divisors (see below), whose sum is σ = 4304821338048. Its totient is φ = 3151744192944.

The previous prime is 3721876781257. The next prime is 3721876781297.

3721876781273 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3721876781273 - 2⁴ = 3721876781257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3721876781213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3202991486 + ... + 3202992647.

It is an arithmetic number, because the mean of its divisors is an integer number (538102667256).

Almost surely, 2^{3721876781273} is an apocalyptic number.

It is an amenable number.

3721876781273 is a deficient number, since it is larger than the sum of its proper divisors (582944556775).

3721876781273 is an equidigital number, since it uses as much as digits as its factorization.

3721876781273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6405984223.

The product of its digits is 33191424, while the sum is 62.

The spelling of 3721876781273 in words is "three trillion, seven hundred twenty-one billion, eight hundred seventy-six million, seven hundred eighty-one thousand, two hundred seventy-three".