214031625464 has 8 divisors (see below), whose sum is σ = 401309297760. Its totient is φ = 107015812728.

The previous prime is 214031625461. The next prime is 214031625503. The reversal of 214031625464 is 464526130412.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214031625461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13376976584 + ... + 13376976599.

It is an arithmetic number, because the mean of its divisors is an integer number (50163662220).

Almost surely, 2^214031625464 is an apocalyptic number.

It is an amenable number.

214031625464 is a deficient number, since it is larger than the sum of its proper divisors (187277672296).

214031625464 is a wasteful number, since it uses less digits than its factorization.

214031625464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26753953189 (or 26753953185 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 214031625464 its reverse (464526130412), we get a palindrome (678557755876).

The spelling of 214031625464 in words is "two hundred fourteen billion, thirty-one million, six hundred twenty-five thousand, four hundred sixty-four".