2573626813 has 4 divisors (see below), whose sum is σ = 2589037920. Its totient is φ = 2558215708.

The previous prime is 2573626777. The next prime is 2573626829. The reversal of 2573626813 is 3186263752.

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 2573626813 - 2⁹ = 2573626301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2573626813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573627813) 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, 7705303 + ... + 7705636.

It is an arithmetic number, because the mean of its divisors is an integer number (647259480).

Almost surely, 2^2573626813 is an apocalyptic number.

It is an amenable number.

2573626813 is a deficient number, since it is larger than the sum of its proper divisors (15411107).

2573626813 is a wasteful number, since it uses less digits than its factorization.

2573626813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15411106.

The product of its digits is 362880, while the sum is 43.

The square root of 2573626813 is about 50730.9256075621. The cubic root of 2573626813 is about 1370.4037052400.

The spelling of 2573626813 in words is "two billion, five hundred seventy-three million, six hundred twenty-six thousand, eight hundred thirteen".