21460050129 has 8 divisors (see below), whose sum is σ = 32701028800. Its totient is φ = 12262885776.

The previous prime is 21460050121. The next prime is 21460050163. The reversal of 21460050129 is 92105006412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21460050129 - 2³ = 21460050121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21460050096 and 21460050105.

It is not an unprimeable number, because it can be changed into a prime (21460050121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510953554 + ... + 510953595.

It is an arithmetic number, because the mean of its divisors is an integer number (4087628600).

Almost surely, 2^21460050129 is an apocalyptic number.

It is an amenable number.

21460050129 is a deficient number, since it is larger than the sum of its proper divisors (11240978671).

21460050129 is a wasteful number, since it uses less digits than its factorization.

21460050129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021907159.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 21460050129 in words is "twenty-one billion, four hundred sixty million, fifty thousand, one hundred twenty-nine".