4253105432645 has 16 divisors (see below), whose sum is σ = 5228280349488. Its totient is φ = 3319450767360.

The previous prime is 4253105432591. The next prime is 4253105432657. The reversal of 4253105432645 is 5462345013524.

It can be written as a sum of positive squares in 8 ways, for example, as 263506662241 + 3989598770404 = 513329^2 + 1997398^2 .

It is not a de Polignac number, because 4253105432645 - 2⁶ = 4253105432581 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4253105432596 and 4253105432605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27938777 + ... + 28090593.

It is an arithmetic number, because the mean of its divisors is an integer number (326767521843).

Almost surely, 2^{4253105432645} is an apocalyptic number.

It is an amenable number.

4253105432645 is a deficient number, since it is larger than the sum of its proper divisors (975174916843).

4253105432645 is a wasteful number, since it uses less digits than its factorization.

4253105432645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288520.

The product of its (nonzero) digits is 1728000, while the sum is 44.

The spelling of 4253105432645 in words is "four trillion, two hundred fifty-three billion, one hundred five million, four hundred thirty-two thousand, six hundred forty-five".