211747126463 has 4 divisors (see below), whose sum is σ = 211749891120. Its totient is φ = 211744361808.

The previous prime is 211747126397. The next prime is 211747126523. The reversal of 211747126463 is 364621747112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211747126463 - 2⁸ = 211747126207 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 (211747126963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1264070 + ... + 1421747.

It is an arithmetic number, because the mean of its divisors is an integer number (52937472780).

Almost surely, 2^211747126463 is an apocalyptic number.

211747126463 is a deficient number, since it is larger than the sum of its proper divisors (2764657).

211747126463 is an equidigital number, since it uses as much as digits as its factorization.

211747126463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764656.

The product of its digits is 338688, while the sum is 44.

The spelling of 211747126463 in words is "two hundred eleven billion, seven hundred forty-seven million, one hundred twenty-six thousand, four hundred sixty-three".