1485403247221 has 4 divisors (see below), whose sum is σ = 1485461594700. Its totient is φ = 1485344899744.

The previous prime is 1485403247203. The next prime is 1485403247227. The reversal of 1485403247221 is 1227423045841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1249946360100 + 235456887121 = 1118010^2 + 485239^2 .

It is a cyclic number.

It is not a de Polignac number, because 1485403247221 - 2²⁵ = 1485369692789 is a prime.

It is a super-3 number, since 3×1485403247221³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485403247227) 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, 29135536 + ... + 29186473.

It is an arithmetic number, because the mean of its divisors is an integer number (371365398675).

Almost surely, 2^{1485403247221} is an apocalyptic number.

It is an amenable number.

1485403247221 is a deficient number, since it is larger than the sum of its proper divisors (58347479).

1485403247221 is an equidigital number, since it uses as much as digits as its factorization.

1485403247221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58347478.

The product of its (nonzero) digits is 430080, while the sum is 43.

The spelling of 1485403247221 in words is "one trillion, four hundred eighty-five billion, four hundred three million, two hundred forty-seven thousand, two hundred twenty-one".