213662325465 has 96 divisors (see below), whose sum is σ = 383022971136. Its totient is φ = 110099658240.

The previous prime is 213662325451. The next prime is 213662325533. The reversal of 213662325465 is 564523266312.

213662325465 is a `hidden beast` number, since 2 + 1 + 366 + 232 + 54 + 6 + 5 = 666.

It is not a de Polignac number, because 213662325465 - 2¹⁷ = 213662194393 is a prime.

It is a super-2 number, since 2×213662325465² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 213662325465.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 174702844 + ... + 174704066.

It is an arithmetic number, because the mean of its divisors is an integer number (3989822616).

Almost surely, 2^213662325465 is an apocalyptic number.

It is an amenable number.

213662325465 is a deficient number, since it is larger than the sum of its proper divisors (169360645671).

213662325465 is a wasteful number, since it uses less digits than its factorization.

213662325465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919 (or 1916 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

The spelling of 213662325465 in words is "two hundred thirteen billion, six hundred sixty-two million, three hundred twenty-five thousand, four hundred sixty-five".