21363034283129 has 32 divisors (see below), whose sum is σ = 26775330969600. Its totient is φ = 16558502716800.

The previous prime is 21363034283099. The next prime is 21363034283137. The reversal of 21363034283129 is 92138243036312.

It is a de Polignac number, because none of the positive numbers 2^k-21363034283129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21363034283179) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58551194 + ... + 58914924.

It is an arithmetic number, because the mean of its divisors is an integer number (836729092800).

Almost surely, 2^{21363034283129} is an apocalyptic number.

It is an amenable number.

21363034283129 is a deficient number, since it is larger than the sum of its proper divisors (5412296686471).

21363034283129 is a wasteful number, since it uses less digits than its factorization.

21363034283129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367781.

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 21363034283129 in words is "twenty-one trillion, three hundred sixty-three billion, thirty-four million, two hundred eighty-three thousand, one hundred twenty-nine".