13434101821 has 16 divisors (see below), whose sum is σ = 15773477760. Its totient is φ = 11199988800.

The previous prime is 13434101773. The next prime is 13434101843. The reversal of 13434101821 is 12810143431.

It is not a de Polignac number, because 13434101821 - 2⁷ = 13434101693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13434101821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13434101881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 990675 + ... + 1004143.

It is an arithmetic number, because the mean of its divisors is an integer number (985842360).

Almost surely, 2^13434101821 is an apocalyptic number.

It is an amenable number.

13434101821 is a deficient number, since it is larger than the sum of its proper divisors (2339375939).

13434101821 is a wasteful number, since it uses less digits than its factorization.

13434101821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17364.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 13434101821 in words is "thirteen billion, four hundred thirty-four million, one hundred one thousand, eight hundred twenty-one".