2623261453 has 4 divisors (see below), whose sum is σ = 2638424988. Its totient is φ = 2608097920.

The previous prime is 2623261441. The next prime is 2623261457. The reversal of 2623261453 is 3541623262.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1574343684 + 1048917769 = 39678^2 + 32387^2 .

It is a cyclic number.

It is not a de Polignac number, because 2623261453 - 2²⁹ = 2086390541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2623261457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7581508 + ... + 7581853.

It is an arithmetic number, because the mean of its divisors is an integer number (659606247).

Almost surely, 2^2623261453 is an apocalyptic number.

It is an amenable number.

2623261453 is a deficient number, since it is larger than the sum of its proper divisors (15163535).

2623261453 is a wasteful number, since it uses less digits than its factorization.

2623261453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15163534.

The product of its digits is 51840, while the sum is 34.

The square root of 2623261453 is about 51217.7845381856. The cubic root of 2623261453 is about 1379.1574800218.

The spelling of 2623261453 in words is "two billion, six hundred twenty-three million, two hundred sixty-one thousand, four hundred fifty-three".