211072280463 has 40 divisors (see below), whose sum is σ = 345409194240. Its totient is φ = 127387224720.

The previous prime is 211072280453. The next prime is 211072280477. The reversal of 211072280463 is 364082270112.

It is a happy number.

211072280463 is a `hidden beast` number, since 2 + 110 + 7 + 2 + 2 + 80 + 463 = 666.

It is not a de Polignac number, because 211072280463 - 2¹⁴ = 211072264079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211072280453) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 282645 + ... + 708542.

It is an arithmetic number, because the mean of its divisors is an integer number (8635229856).

Almost surely, 2^211072280463 is an apocalyptic number.

211072280463 is a deficient number, since it is larger than the sum of its proper divisors (134336913777).

211072280463 is a wasteful number, since it uses less digits than its factorization.

211072280463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991449 (or 991440 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 211072280463 in words is "two hundred eleven billion, seventy-two million, two hundred eighty thousand, four hundred sixty-three".