211464465 has 16 divisors (see below), whose sum is σ = 338535936. Its totient is φ = 112716800.

The previous prime is 211464439. The next prime is 211464499. The reversal of 211464465 is 564464112.

It is not a de Polignac number, because 211464465 - 2⁹ = 211463953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36145 + ... + 41585.

It is an arithmetic number, because the mean of its divisors is an integer number (21158496).

Almost surely, 2^211464465 is an apocalyptic number.

It is an amenable number.

211464465 is a deficient number, since it is larger than the sum of its proper divisors (127071471).

211464465 is a wasteful number, since it uses less digits than its factorization.

211464465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8040.

The product of its digits is 23040, while the sum is 33.

The square root of 211464465 is about 14541.8178024620. The cubic root of 211464465 is about 595.7706888133.

The spelling of 211464465 in words is "two hundred eleven million, four hundred sixty-four thousand, four hundred sixty-five".