3524220365345 has 4 divisors (see below), whose sum is σ = 4229064438420. Its totient is φ = 2819376292272.

The previous prime is 3524220365333. The next prime is 3524220365359. The reversal of 3524220365345 is 5435630224253.

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 723042401761 + 2801177963584 = 850319^2 + 1673672^2 .

It is a cyclic number.

It is not a de Polignac number, because 3524220365345 - 2⁸ = 3524220365089 is a prime.

It is a super-3 number, since 3×3524220365345³ (a number of 39 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3524220365296 and 3524220365305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352422036530 + ... + 352422036539.

It is an arithmetic number, because the mean of its divisors is an integer number (1057266109605).

Almost surely, 2^{3524220365345} is an apocalyptic number.

It is an amenable number.

3524220365345 is a deficient number, since it is larger than the sum of its proper divisors (704844073075).

3524220365345 is an equidigital number, since it uses as much as digits as its factorization.

3524220365345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704844073074.

The product of its (nonzero) digits is 2592000, while the sum is 44.

Adding to 3524220365345 its reverse (5435630224253), we get a palindrome (8959850589598).

The spelling of 3524220365345 in words is "three trillion, five hundred twenty-four billion, two hundred twenty million, three hundred sixty-five thousand, three hundred forty-five".