514044650021 has 4 divisors (see below), whose sum is σ = 587479600032. Its totient is φ = 440609700012.

The previous prime is 514044649999. The next prime is 514044650029. The reversal of 514044650021 is 120056440415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-514044650021 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 514044650021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514044650029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36717474995 + ... + 36717475008.

It is an arithmetic number, because the mean of its divisors is an integer number (146869900008).

Almost surely, 2^514044650021 is an apocalyptic number.

It is an amenable number.

514044650021 is a deficient number, since it is larger than the sum of its proper divisors (73434950011).

514044650021 is an equidigital number, since it uses as much as digits as its factorization.

514044650021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73434950010.

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 514044650021 in words is "five hundred fourteen billion, forty-four million, six hundred fifty thousand, twenty-one".