213214481985 has 16 divisors (see below), whose sum is σ = 344272927680. Its totient is φ = 112671138240.

The previous prime is 213214481951. The next prime is 213214482011. The reversal of 213214481985 is 589184412312.

It is not a de Polignac number, because 213214481985 - 2²⁸ = 212946046529 is a prime.

It is a super-4 number, since 4×213214481985⁴ (a number of 46 digits) contains 4444 as substring.

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, 65201571 + ... + 65204840.

It is an arithmetic number, because the mean of its divisors is an integer number (21517057980).

Almost surely, 2^213214481985 is an apocalyptic number.

It is an amenable number.

213214481985 is a deficient number, since it is larger than the sum of its proper divisors (131058445695).

213214481985 is a wasteful number, since it uses less digits than its factorization.

213214481985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130406528.

The product of its digits is 552960, while the sum is 48.

The spelling of 213214481985 in words is "two hundred thirteen billion, two hundred fourteen million, four hundred eighty-one thousand, nine hundred eighty-five".