1333142664421 has 4 divisors (see below), whose sum is σ = 1346342096844. Its totient is φ = 1319943232000.

The previous prime is 1333142664409. The next prime is 1333142664437. The reversal of 1333142664421 is 1244662413331.

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 1253257860100 + 79884804321 = 1119490^2 + 282639^2 .

It is a cyclic number.

It is not a de Polignac number, because 1333142664421 - 2⁵ = 1333142664389 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1333142664481) 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, 6599716060 + ... + 6599716261.

It is an arithmetic number, because the mean of its divisors is an integer number (336585524211).

Almost surely, 2^{1333142664421} is an apocalyptic number.

It is an amenable number.

1333142664421 is a deficient number, since it is larger than the sum of its proper divisors (13199432423).

1333142664421 is a wasteful number, since it uses less digits than its factorization.

1333142664421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13199432422.

The product of its digits is 248832, while the sum is 40.

The spelling of 1333142664421 in words is "one trillion, three hundred thirty-three billion, one hundred forty-two million, six hundred sixty-four thousand, four hundred twenty-one".