21423677414 has 8 divisors (see below), whose sum is σ = 32155345488. Its totient is φ = 10705228920.

The previous prime is 21423677399. The next prime is 21423677459. The reversal of 21423677414 is 41477632412.

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, 3300842 + ... + 3307325.

It is an arithmetic number, because the mean of its divisors is an integer number (4019418186).

Almost surely, 2^21423677414 is an apocalyptic number.

21423677414 is a deficient number, since it is larger than the sum of its proper divisors (10731668074).

21423677414 is a wasteful number, since it uses less digits than its factorization.

21423677414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6609790.

The product of its digits is 225792, while the sum is 41.

The spelling of 21423677414 in words is "twenty-one billion, four hundred twenty-three million, six hundred seventy-seven thousand, four hundred fourteen".