2620023513 has 4 divisors (see below), whose sum is σ = 3493364688. Its totient is φ = 1746682340.

The previous prime is 2620023491. The next prime is 2620023551. The reversal of 2620023513 is 3153200262.

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 2620023513 - 2⁵ = 2620023481 is a prime.

It is a super-2 number, since 2×2620023513² = 13729046417345722338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2620023113) 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, 436670583 + ... + 436670588.

It is an arithmetic number, because the mean of its divisors is an integer number (873341172).

Almost surely, 2^2620023513 is an apocalyptic number.

It is an amenable number.

2620023513 is a deficient number, since it is larger than the sum of its proper divisors (873341175).

2620023513 is an equidigital number, since it uses as much as digits as its factorization.

2620023513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873341174.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2620023513 is about 51186.1652499970. The cubic root of 2620023513 is about 1378.5898065553.

Adding to 2620023513 its reverse (3153200262), we get a palindrome (5773223775).

The spelling of 2620023513 in words is "two billion, six hundred twenty million, twenty-three thousand, five hundred thirteen".