211494272913 has 192 divisors, whose sum is σ = 403874652160. Its totient is φ = 107036328960.

The previous prime is 211494272903. The next prime is 211494272917. The reversal of 211494272913 is 319272494112.

211494272913 is a `hidden beast` number, since 2 + 1 + 1 + 494 + 2 + 72 + 91 + 3 = 666.

It is not a de Polignac number, because 211494272913 - 2⁴ = 211494272897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211494272917) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 148624920 + ... + 148626342.

Almost surely, 2^211494272913 is an apocalyptic number.

It is an amenable number.

211494272913 is a deficient number, since it is larger than the sum of its proper divisors (192380379247).

211494272913 is a wasteful number, since it uses less digits than its factorization.

211494272913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625 (or 1608 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The spelling of 211494272913 in words is "two hundred eleven billion, four hundred ninety-four million, two hundred seventy-two thousand, nine hundred thirteen".