2989721537711 has 4 divisors (see below), whose sum is σ = 3070524822552. Its totient is φ = 2908918252872.

The previous prime is 2989721537669. The next prime is 2989721537723. The reversal of 2989721537711 is 1177351279892.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2989721537711 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 (2989721530711) 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, 40401642365 + ... + 40401642438.

It is an arithmetic number, because the mean of its divisors is an integer number (767631205638).

Almost surely, 2^{2989721537711} is an apocalyptic number.

2989721537711 is a deficient number, since it is larger than the sum of its proper divisors (80803284841).

2989721537711 is an equidigital number, since it uses as much as digits as its factorization.

2989721537711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80803284840.

The product of its digits is 13335840, while the sum is 62.

The spelling of 2989721537711 in words is "two trillion, nine hundred eighty-nine billion, seven hundred twenty-one million, five hundred thirty-seven thousand, seven hundred eleven".