21714461654 has 16 divisors (see below), whose sum is σ = 33459920208. Its totient is φ = 10561293792.

The previous prime is 21714461653. The next prime is 21714461677. The reversal of 21714461654 is 45616441712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21714461653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302264 + ... + 367140.

It is an arithmetic number, because the mean of its divisors is an integer number (2091245013).

Almost surely, 2^21714461654 is an apocalyptic number.

21714461654 is a deficient number, since it is larger than the sum of its proper divisors (11745458554).

21714461654 is a wasteful number, since it uses less digits than its factorization.

21714461654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69439.

The product of its digits is 161280, while the sum is 41.

The spelling of 21714461654 in words is "twenty-one billion, seven hundred fourteen million, four hundred sixty-one thousand, six hundred fifty-four".