2398997011 has 4 divisors (see below), whose sum is σ = 2399532400. Its totient is φ = 2398461624.

The previous prime is 2398996967. The next prime is 2398997017. The reversal of 2398997011 is 1107998932.

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 2398997011 - 2⁹ = 2398996499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2398997017) 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, 260916 + ... + 269953.

It is an arithmetic number, because the mean of its divisors is an integer number (599883100).

Almost surely, 2^2398997011 is an apocalyptic number.

2398997011 is a deficient number, since it is larger than the sum of its proper divisors (535389).

2398997011 is an equidigital number, since it uses as much as digits as its factorization.

2398997011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535388.

The product of its (nonzero) digits is 244944, while the sum is 49.

The square root of 2398997011 is about 48979.5570723133. The cubic root of 2398997011 is about 1338.6793647642.

The spelling of 2398997011 in words is "two billion, three hundred ninety-eight million, nine hundred ninety-seven thousand, eleven".