21714461366 has 32 divisors (see below), whose sum is σ = 35361906048. Its totient is φ = 9940838400.

The previous prime is 21714461323. The next prime is 21714461381. The reversal of 21714461366 is 66316441712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8372966 + ... + 8375558.

It is an arithmetic number, because the mean of its divisors is an integer number (1105059564).

Almost surely, 2^21714461366 is an apocalyptic number.

21714461366 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

21714461366 is a deficient number, since it is larger than the sum of its proper divisors (13647444682).

21714461366 is a wasteful number, since it uses less digits than its factorization.

21714461366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5096.

The product of its digits is 145152, while the sum is 41.

The spelling of 21714461366 in words is "twenty-one billion, seven hundred fourteen million, four hundred sixty-one thousand, three hundred sixty-six".