211350585429 has 12 divisors (see below), whose sum is σ = 305346079116. Its totient is φ = 140871820992.

The previous prime is 211350585421. The next prime is 211350585487. The reversal of 211350585429 is 924585053112.

211350585429 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 50 + 58 + 542 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 152205318225 + 59145267204 = 390135^2 + 243198^2 .

It is not a de Polignac number, because 211350585429 - 2³ = 211350585421 is a prime.

It is a super-2 number, since 2×211350585429² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211350585421) 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, 2333874 + ... + 2422739.

It is an arithmetic number, because the mean of its divisors is an integer number (25445506593).

Almost surely, 2^211350585429 is an apocalyptic number.

It is an amenable number.

211350585429 is a deficient number, since it is larger than the sum of its proper divisors (93995493687).

211350585429 is a wasteful number, since it uses less digits than its factorization.

211350585429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4761556 (or 4761553 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 211350585429 in words is "two hundred eleven billion, three hundred fifty million, five hundred eighty-five thousand, four hundred twenty-nine".