213484667445 has 32 divisors (see below), whose sum is σ = 433746627840. Its totient is φ = 97592990400.

The previous prime is 213484667393. The next prime is 213484667471. The reversal of 213484667445 is 544766484312.

213484667445 is a `hidden beast` number, since 2 + 134 + 8 + 4 + 6 + 67 + 445 = 666.

It is not a de Polignac number, because 213484667445 - 2⁷ = 213484667317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213484667391 and 213484667400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112953906 + ... + 112955795.

It is an arithmetic number, because the mean of its divisors is an integer number (13554582120).

Almost surely, 2^213484667445 is an apocalyptic number.

It is an amenable number.

213484667445 is an abundant number, since it is smaller than the sum of its proper divisors (220261960395).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213484667445 is a wasteful number, since it uses less digits than its factorization.

213484667445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225909722 (or 225909716 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 54.

The spelling of 213484667445 in words is "two hundred thirteen billion, four hundred eighty-four million, six hundred sixty-seven thousand, four hundred forty-five".