544234150021 has 4 divisors (see below), whose sum is σ = 545096645344. Its totient is φ = 543371654700.

The previous prime is 544234149941. The next prime is 544234150037. The reversal of 544234150021 is 120051432445.

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 not a de Polignac number, because 544234150021 - 2³⁵ = 509874411653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544234450021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431246715 + ... + 431247976.

It is an arithmetic number, because the mean of its divisors is an integer number (136274161336).

Almost surely, 2^544234150021 is an apocalyptic number.

It is an amenable number.

544234150021 is a deficient number, since it is larger than the sum of its proper divisors (862495323).

544234150021 is an equidigital number, since it uses as much as digits as its factorization.

544234150021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862495322.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 544234150021 its reverse (120051432445), we get a palindrome (664285582466).

The spelling of 544234150021 in words is "five hundred forty-four billion, two hundred thirty-four million, one hundred fifty thousand, twenty-one".