3500021228353 has 4 divisors (see below), whose sum is σ = 3769253630548. Its totient is φ = 3230788826160.

The previous prime is 3500021228323. The next prime is 3500021228393. The reversal of 3500021228353 is 3538221200053.

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 2249811003969 + 1250210224384 = 1499937^2 + 1118128^2 .

It is a cyclic number.

It is not a de Polignac number, because 3500021228353 - 2¹³ = 3500021220161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3500021228303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134616201078 + ... + 134616201103.

It is an arithmetic number, because the mean of its divisors is an integer number (942313407637).

Almost surely, 2^{3500021228353} is an apocalyptic number.

It is an amenable number.

3500021228353 is a deficient number, since it is larger than the sum of its proper divisors (269232402195).

3500021228353 is a wasteful number, since it uses less digits than its factorization.

3500021228353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269232402194.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 3500021228353 in words is "three trillion, five hundred billion, twenty-one million, two hundred twenty-eight thousand, three hundred fifty-three".