1448021625421 has 8 divisors (see below), whose sum is σ = 1677551472704. Its totient is φ = 1224159181920.

The previous prime is 1448021625419. The next prime is 1448021625439. The reversal of 1448021625421 is 1245261208441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1448021625421 - 2¹ = 1448021625419 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 (1448021625821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416850395 + ... + 1416851416.

It is an arithmetic number, because the mean of its divisors is an integer number (209693934088).

Almost surely, 2^{1448021625421} is an apocalyptic number.

It is an amenable number.

1448021625421 is a deficient number, since it is larger than the sum of its proper divisors (229529847283).

1448021625421 is an equidigital number, since it uses as much as digits as its factorization.

1448021625421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833701891.

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 1448021625421 in words is "one trillion, four hundred forty-eight billion, twenty-one million, six hundred twenty-five thousand, four hundred twenty-one".