4253259634821 has 16 divisors (see below), whose sum is σ = 6301157166720. Its totient is φ = 2835492121440.

The previous prime is 4253259634787. The next prime is 4253259634843. The reversal of 4253259634821 is 1284369523524.

4253259634821 is a `hidden beast` number, since 4 + 2 + 5 + 3 + 2 + 596 + 3 + 48 + 2 + 1 = 666.

It is not a de Polignac number, because 4253259634821 - 2¹¹ = 4253259632773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4253259654821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10053856 + ... + 10468358.

It is an arithmetic number, because the mean of its divisors is an integer number (393822322920).

Almost surely, 2^{4253259634821} is an apocalyptic number.

It is an amenable number.

4253259634821 is a deficient number, since it is larger than the sum of its proper divisors (2047897531899).

4253259634821 is a wasteful number, since it uses less digits than its factorization.

4253259634821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794553 (or 794547 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 54.

The spelling of 4253259634821 in words is "four trillion, two hundred fifty-three billion, two hundred fifty-nine million, six hundred thirty-four thousand, eight hundred twenty-one".