2129659314321 has 48 divisors (see below), whose sum is σ = 3776858209152. Its totient is φ = 1041239063040.

The previous prime is 2129659314259. The next prime is 2129659314347. The reversal of 2129659314321 is 1234139569212.

It is not a de Polignac number, because 2129659314321 - 2⁷ = 2129659314193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2129659319321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24607350 + ... + 24693743.

It is an arithmetic number, because the mean of its divisors is an integer number (78684546024).

Almost surely, 2^{2129659314321} is an apocalyptic number.

2129659314321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2129659314321 is a deficient number, since it is larger than the sum of its proper divisors (1647198894831).

2129659314321 is a wasteful number, since it uses less digits than its factorization.

2129659314321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49301142 (or 49301131 counting only the distinct ones).

The product of its digits is 699840, while the sum is 48.

The spelling of 2129659314321 in words is "two trillion, one hundred twenty-nine billion, six hundred fifty-nine million, three hundred fourteen thousand, three hundred twenty-one".