2298113781 has 4 divisors (see below), whose sum is σ = 3064151712. Its totient is φ = 1532075852.

The previous prime is 2298113749. The next prime is 2298113791. The reversal of 2298113781 is 1873118922.

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 not a de Polignac number, because 2298113781 - 2⁵ = 2298113749 is a prime.

It is a super-2 number, since 2×2298113781² = 10562653900844231922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2298113791) 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, 383018961 + ... + 383018966.

It is an arithmetic number, because the mean of its divisors is an integer number (766037928).

Almost surely, 2^2298113781 is an apocalyptic number.

It is an amenable number.

2298113781 is a deficient number, since it is larger than the sum of its proper divisors (766037931).

2298113781 is an equidigital number, since it uses as much as digits as its factorization.

2298113781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766037930.

The product of its digits is 48384, while the sum is 42.

The square root of 2298113781 is about 47938.6460071621. The cubic root of 2298113781 is about 1319.6451795398.

The spelling of 2298113781 in words is "two billion, two hundred ninety-eight million, one hundred thirteen thousand, seven hundred eighty-one".