2002334630981 has 4 divisors (see below), whose sum is σ = 2030536527264. Its totient is φ = 1974132734700.

The previous prime is 2002334630963. The next prime is 2002334631029. The reversal of 2002334630981 is 1890364332002.

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 a de Polignac number, because none of the positive numbers 2^k-2002334630981 is a prime.

It is a super-2 number, since 2×2002334630981² (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 (2002334630911) 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, 14100948035 + ... + 14100948176.

It is an arithmetic number, because the mean of its divisors is an integer number (507634131816).

Almost surely, 2^{2002334630981} is an apocalyptic number.

It is an amenable number.

2002334630981 is a deficient number, since it is larger than the sum of its proper divisors (28201896283).

2002334630981 is an equidigital number, since it uses as much as digits as its factorization.

2002334630981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28201896282.

The product of its (nonzero) digits is 186624, while the sum is 41.

Adding to 2002334630981 its reverse (1890364332002), we get a palindrome (3892698962983).

The spelling of 2002334630981 in words is "two trillion, two billion, three hundred thirty-four million, six hundred thirty thousand, nine hundred eighty-one".