2989327423961 has 4 divisors (see below), whose sum is σ = 2989332791424. Its totient is φ = 2989322056500.

The previous prime is 2989327423861. The next prime is 2989327423967. The reversal of 2989327423961 is 1693247239892.

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-2989327423961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2989327423967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1737005 + ... + 2999306.

It is an arithmetic number, because the mean of its divisors is an integer number (747333197856).

Almost surely, 2^{2989327423961} is an apocalyptic number.

It is an amenable number.

2989327423961 is a deficient number, since it is larger than the sum of its proper divisors (5367463).

2989327423961 is an equidigital number, since it uses as much as digits as its factorization.

2989327423961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5367462.

The product of its digits is 70543872, while the sum is 65.

The spelling of 2989327423961 in words is "two trillion, nine hundred eighty-nine billion, three hundred twenty-seven million, four hundred twenty-three thousand, nine hundred sixty-one".