21344662477382 has 8 divisors (see below), whose sum is σ = 32761574965416. Its totient is φ = 10424137488912.

The previous prime is 21344662477373. The next prime is 21344662477393. The reversal of 21344662477382 is 28377426644312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124096874783 + ... + 124096874954.

It is an arithmetic number, because the mean of its divisors is an integer number (4095196870677).

Almost surely, 2^{21344662477382} is an apocalyptic number.

21344662477382 is a deficient number, since it is larger than the sum of its proper divisors (11416912488034).

21344662477382 is a wasteful number, since it uses less digits than its factorization.

21344662477382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248193749782.

The product of its digits is 65028096, while the sum is 59.

The spelling of 21344662477382 in words is "twenty-one trillion, three hundred forty-four billion, six hundred sixty-two million, four hundred seventy-seven thousand, three hundred eighty-two".