2259920513 has 4 divisors (see below), whose sum is σ = 2312476848. Its totient is φ = 2207364180.

The previous prime is 2259920501. The next prime is 2259920527. The reversal of 2259920513 is 3150299522.

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-2259920513 is a prime.

It is a super-3 number, since 3×2259920513³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2259920573) 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, 26278103 + ... + 26278188.

It is an arithmetic number, because the mean of its divisors is an integer number (578119212).

Almost surely, 2^2259920513 is an apocalyptic number.

It is an amenable number.

2259920513 is a deficient number, since it is larger than the sum of its proper divisors (52556335).

2259920513 is an equidigital number, since it uses as much as digits as its factorization.

2259920513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52556334.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 2259920513 is about 47538.6212778621. The cubic root of 2259920513 is about 1312.2937327617.

The spelling of 2259920513 in words is "two billion, two hundred fifty-nine million, nine hundred twenty thousand, five hundred thirteen".