21714272007524 has 6 divisors (see below), whose sum is σ = 37999976013174. Its totient is φ = 10857136003760.

The previous prime is 21714272007487. The next prime is 21714272007541. The reversal of 21714272007524 is 42570027241712.

It can be written as a sum of positive squares in only one way, i.e., 15781296514624 + 5932975492900 = 3972568^2 + 2435770^2 .

It is a super-2 number, since 2×21714272007524² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2714284000937 + ... + 2714284000944.

It is an arithmetic number, because the mean of its divisors is an integer number (6333329335529).

Almost surely, 2^{21714272007524} is an apocalyptic number.

It is an amenable number.

21714272007524 is a deficient number, since it is larger than the sum of its proper divisors (16285704005650).

21714272007524 is a wasteful number, since it uses less digits than its factorization.

21714272007524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428568001885 (or 5428568001883 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 44.

The spelling of 21714272007524 in words is "twenty-one trillion, seven hundred fourteen billion, two hundred seventy-two million, seven thousand, five hundred twenty-four".