1450013441221 has 4 divisors (see below), whose sum is σ = 1456515743872. Its totient is φ = 1443511138572.

The previous prime is 1450013441209. The next prime is 1450013441243. The reversal of 1450013441221 is 1221443100541.

It is a happy number.

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 1450013441221 - 2²¹ = 1450011344069 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 1450013441221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450013441251) 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, 3251150991 + ... + 3251151436.

It is an arithmetic number, because the mean of its divisors is an integer number (364128935968).

Almost surely, 2^{1450013441221} is an apocalyptic number.

It is an amenable number.

1450013441221 is a deficient number, since it is larger than the sum of its proper divisors (6502302651).

1450013441221 is an equidigital number, since it uses as much as digits as its factorization.

1450013441221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6502302650.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 1450013441221 its reverse (1221443100541), we get a palindrome (2671456541762).

The spelling of 1450013441221 in words is "one trillion, four hundred fifty billion, thirteen million, four hundred forty-one thousand, two hundred twenty-one".