2988923911 has 4 divisors (see below), whose sum is σ = 2989431952. Its totient is φ = 2988415872.

The previous prime is 2988923897. The next prime is 2988923929. The reversal of 2988923911 is 1193298892.

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

It is a cyclic number.

It is not a de Polignac number, because 2988923911 - 2⁷ = 2988923783 is a prime.

It is a super-2 number, since 2×2988923911² = 17867332291495071842, which 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 (2988926911) 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, 245091 + ... + 256996.

It is an arithmetic number, because the mean of its divisors is an integer number (747357988).

Almost surely, 2^2988923911 is an apocalyptic number.

2988923911 is a deficient number, since it is larger than the sum of its proper divisors (508041).

2988923911 is an equidigital number, since it uses as much as digits as its factorization.

2988923911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508040.

The product of its digits is 559872, while the sum is 52.

The square root of 2988923911 is about 54671.0518556210. The cubic root of 2988923911 is about 1440.4724387021.

The spelling of 2988923911 in words is "two billion, nine hundred eighty-eight million, nine hundred twenty-three thousand, nine hundred eleven".