3626212466421 has 28 divisors (see below), whose sum is σ = 5612213284480. Its totient is φ = 2339491899240.

The previous prime is 3626212466413. The next prime is 3626212466467. The reversal of 3626212466421 is 1246642126263.

It is a happy number.

3626212466421 is a `hidden beast` number, since 3 + 6 + 2 + 6 + 212 + 4 + 6 + 6 + 421 = 666.

It is not a de Polignac number, because 3626212466421 - 2³ = 3626212466413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3626212466621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 80206891 + ... + 80252088.

Almost surely, 2^{3626212466421} is an apocalyptic number.

3626212466421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3626212466421 is a deficient number, since it is larger than the sum of its proper divisors (1986000818059).

3626212466421 is an equidigital number, since it uses as much as digits as its factorization.

3626212466421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160459028 (or 160459013 counting only the distinct ones).

The product of its digits is 995328, while the sum is 45.

The spelling of 3626212466421 in words is "three trillion, six hundred twenty-six billion, two hundred twelve million, four hundred sixty-six thousand, four hundred twenty-one".