2625204400453 has 4 divisors (see below), whose sum is σ = 2627191687468. Its totient is φ = 2623217113440.

The previous prime is 2625204400367. The next prime is 2625204400579. The reversal of 2625204400453 is 3540044025262.

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 1987471189729 + 637733210724 = 1409777^2 + 798582^2 .

It is a cyclic number.

It is not a de Polignac number, because 2625204400453 - 2²⁹ = 2624667529541 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 (2625204403453) 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, 993641526 + ... + 993644167.

It is an arithmetic number, because the mean of its divisors is an integer number (656797921867).

Almost surely, 2^{2625204400453} is an apocalyptic number.

It is an amenable number.

2625204400453 is a deficient number, since it is larger than the sum of its proper divisors (1987287015).

2625204400453 is a wasteful number, since it uses less digits than its factorization.

2625204400453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987287014.

The product of its (nonzero) digits is 230400, while the sum is 37.

The spelling of 2625204400453 in words is "two trillion, six hundred twenty-five billion, two hundred four million, four hundred thousand, four hundred fifty-three".