214447332621 has 16 divisors (see below), whose sum is σ = 295327461888. Its totient is φ = 138271488000.

The previous prime is 214447332569. The next prime is 214447332629. The reversal of 214447332621 is 126233744412.

It is not a de Polignac number, because 214447332621 - 2⁷ = 214447332493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214447332621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214447332629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521580 + ... + 837221.

It is an arithmetic number, because the mean of its divisors is an integer number (18457966368).

Almost surely, 2^214447332621 is an apocalyptic number.

It is an amenable number.

214447332621 is a deficient number, since it is larger than the sum of its proper divisors (80880129267).

214447332621 is a wasteful number, since it uses less digits than its factorization.

214447332621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360532.

The product of its digits is 193536, while the sum is 39.

The spelling of 214447332621 in words is "two hundred fourteen billion, four hundred forty-seven million, three hundred thirty-two thousand, six hundred twenty-one".