1333780882981 has 4 divisors (see below), whose sum is σ = 1333837908000. Its totient is φ = 1333723857964.

The previous prime is 1333780882939. The next prime is 1333780882991. The reversal of 1333780882981 is 1892880873331.

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 1333780882981 - 2²⁵ = 1333747328549 is a prime.

It is a super-2 number, since 2×1333780882981² (a number of 25 digits) contains 22 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 (1333780882991) 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, 28477411 + ... + 28524208.

It is an arithmetic number, because the mean of its divisors is an integer number (333459477000).

Almost surely, 2^{1333780882981} is an apocalyptic number.

It is an amenable number.

1333780882981 is a deficient number, since it is larger than the sum of its proper divisors (57025019).

1333780882981 is an equidigital number, since it uses as much as digits as its factorization.

1333780882981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57025018.

The product of its (nonzero) digits is 13934592, while the sum is 61.

The spelling of 1333780882981 in words is "one trillion, three hundred thirty-three billion, seven hundred eighty million, eight hundred eighty-two thousand, nine hundred eighty-one".