21296758059 has 30 divisors (see below), whose sum is σ = 32368223580. Its totient is φ = 13950585720.

The previous prime is 21296758013. The next prime is 21296758061. The reversal of 21296758059 is 95085769212.

21296758059 is a `hidden beast` number, since 2 + 1 + 2 + 9 + 6 + 7 + 580 + 59 = 666.

It is not a de Polignac number, because 21296758059 - 2¹⁷ = 21296626987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21296757996 and 21296758014.

It is not an unprimeable number, because it can be changed into a prime (21296758099) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 10087414 + ... + 10089524.

It is an arithmetic number, because the mean of its divisors is an integer number (1078940786).

Almost surely, 2^21296758059 is an apocalyptic number.

21296758059 is a deficient number, since it is larger than the sum of its proper divisors (11071465521).

21296758059 is an frugal number, since it uses more digits than its factorization.

21296758059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4293 (or 2173 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The spelling of 21296758059 in words is "twenty-one billion, two hundred ninety-six million, seven hundred fifty-eight thousand, fifty-nine".