21727152719374 has 16 divisors (see below), whose sum is σ = 34525701339696. Its totient is φ = 10219247478400.

The previous prime is 21727152719359. The next prime is 21727152719413. The reversal of 21727152719374 is 47391725172712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165401437 + ... + 165532744.

It is an arithmetic number, because the mean of its divisors is an integer number (2157856333731).

Almost surely, 2^{21727152719374} is an apocalyptic number.

21727152719374 is a deficient number, since it is larger than the sum of its proper divisors (12798548620322).

21727152719374 is a wasteful number, since it uses less digits than its factorization.

21727152719374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330936131.

The product of its digits is 10372320, while the sum is 58.

The spelling of 21727152719374 in words is "twenty-one trillion, seven hundred twenty-seven billion, one hundred fifty-two million, seven hundred nineteen thousand, three hundred seventy-four".