243212646100641 has 12 divisors (see below), whose sum is σ = 377227777625712. Its totient is φ = 138978654914568.

The previous prime is 243212646100631. The next prime is 243212646100667. The reversal of 243212646100641 is 146001646212342.

243212646100641 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 243212646100641 - 2¹⁷ = 243212645969569 is a prime.

It is a super-2 number, since 2×243212646100641² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243212646100593 and 243212646100602.

It is not an unprimeable number, because it can be changed into a prime (243212646100631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 827253898155 + ... + 827253898448.

It is an arithmetic number, because the mean of its divisors is an integer number (31435648135476).

Almost surely, 2^{243212646100641} is an apocalyptic number.

243212646100641 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

243212646100641 is a deficient number, since it is larger than the sum of its proper divisors (134015131525071).

243212646100641 is a wasteful number, since it uses less digits than its factorization.

243212646100641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654507796620 (or 1654507796613 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 243212646100641 in words is "two hundred forty-three trillion, two hundred twelve billion, six hundred forty-six million, one hundred thousand, six hundred forty-one".