21024230434299 has 6 divisors (see below), whose sum is σ = 30368332849556. Its totient is φ = 14016153622860.

The previous prime is 21024230434283. The next prime is 21024230434301. The reversal of 21024230434299 is 99243403242012.

21024230434299 is a `hidden beast` number, since 2 + 1 + 0 + 24 + 2 + 304 + 34 + 299 = 666.

It is not a de Polignac number, because 21024230434299 - 2⁴ = 21024230434283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21024230434099) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1168012801897 + ... + 1168012801914.

Almost surely, 2^{21024230434299} is an apocalyptic number.

21024230434299 is a deficient number, since it is larger than the sum of its proper divisors (9344102415257).

21024230434299 is a wasteful number, since it uses less digits than its factorization.

21024230434299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336025603817 (or 2336025603814 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 21024230434299 in words is "twenty-one trillion, twenty-four billion, two hundred thirty million, four hundred thirty-four thousand, two hundred ninety-nine".