214446137644 has 6 divisors (see below), whose sum is σ = 375280740884. Its totient is φ = 107223068820.

The previous prime is 214446137639. The next prime is 214446137651. The reversal of 214446137644 is 446731644412.

It is a junction number, because it is equal to n+sod(n) for n = 214446137594 and 214446137603.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26805767202 + ... + 26805767209.

Almost surely, 2^214446137644 is an apocalyptic number.

It is an amenable number.

214446137644 is a deficient number, since it is larger than the sum of its proper divisors (160834603240).

214446137644 is a wasteful number, since it uses less digits than its factorization.

214446137644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53611534415 (or 53611534413 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 46.

The spelling of 214446137644 in words is "two hundred fourteen billion, four hundred forty-six million, one hundred thirty-seven thousand, six hundred forty-four".