3445020401 has 4 divisors (see below), whose sum is σ = 3445402992. Its totient is φ = 3444637812.

The previous prime is 3445020391. The next prime is 3445020419. The reversal of 3445020401 is 1040205443.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1040205443 = 1301 ⋅799543.

It is a cyclic number.

It is not a de Polignac number, because 3445020401 - 2¹⁰ = 3445019377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3445320401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177455 + ... + 195908.

It is an arithmetic number, because the mean of its divisors is an integer number (861350748).

Almost surely, 2^3445020401 is an apocalyptic number.

It is an amenable number.

3445020401 is a deficient number, since it is larger than the sum of its proper divisors (382591).

3445020401 is an equidigital number, since it uses as much as digits as its factorization.

3445020401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382590.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 3445020401 is about 58694.2961538853. The cubic root of 3445020401 is about 1510.3024701447.

Adding to 3445020401 its reverse (1040205443), we get a palindrome (4485225844).

The spelling of 3445020401 in words is "three billion, four hundred forty-five million, twenty thousand, four hundred one".