4221386631386 has 32 divisors (see below), whose sum is σ = 6803573640192. Its totient is φ = 1960929613440.

The previous prime is 4221386631313. The next prime is 4221386631401. The reversal of 4221386631386 is 6831366831224.

4221386631386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14659106 + ... + 14944301.

It is an arithmetic number, because the mean of its divisors is an integer number (212611676256).

Almost surely, 2^{4221386631386} is an apocalyptic number.

4221386631386 is a deficient number, since it is larger than the sum of its proper divisors (2582187008806).

4221386631386 is a wasteful number, since it uses less digits than its factorization.

4221386631386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29603534.

The product of its digits is 5971968, while the sum is 53.

The spelling of 4221386631386 in words is "four trillion, two hundred twenty-one billion, three hundred eighty-six million, six hundred thirty-one thousand, three hundred eighty-six".