3647481788231 has 2 divisors, whose sum is σ = 3647481788232. Its totient is φ = 3647481788230.

The previous prime is 3647481788221. The next prime is 3647481788239. The reversal of 3647481788231 is 1328871847463.

3647481788231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3647481788231 - 2³⁴ = 3630301919047 is a prime.

It is a super-2 number, since 2×3647481788231² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3647481788239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1823740894115 + 1823740894116.

It is an arithmetic number, because the mean of its divisors is an integer number (1823740894116).

Almost surely, 2^{3647481788231} is an apocalyptic number.

3647481788231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3647481788231 is an equidigital number, since it uses as much as digits as its factorization.

3647481788231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43352064, while the sum is 62.

The spelling of 3647481788231 in words is "three trillion, six hundred forty-seven billion, four hundred eighty-one million, seven hundred eighty-eight thousand, two hundred thirty-one".