211421401463 has 2 divisors, whose sum is σ = 211421401464. Its totient is φ = 211421401462.

The previous prime is 211421401423. The next prime is 211421401487. The reversal of 211421401463 is 364104124112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211421401463 - 2⁸ = 211421401207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211421401423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105710700731 + 105710700732.

It is an arithmetic number, because the mean of its divisors is an integer number (105710700732).

Almost surely, 2^211421401463 is an apocalyptic number.

211421401463 is a deficient number, since it is larger than the sum of its proper divisors (1).

211421401463 is an equidigital number, since it uses as much as digits as its factorization.

211421401463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 211421401463 its reverse (364104124112), we get a palindrome (575525525575).

The spelling of 211421401463 in words is "two hundred eleven billion, four hundred twenty-one million, four hundred one thousand, four hundred sixty-three".