3801122569 has 4 divisors (see below), whose sum is σ = 3801943444. Its totient is φ = 3800301696.

The previous prime is 3801122519. The next prime is 3801122651. The reversal of 3801122569 is 9652211083.

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 1635150969 + 2165971600 = 40437^2 + 46540^2 .

It is a cyclic number.

It is not a de Polignac number, because 3801122569 - 2¹⁷ = 3800991497 is a prime.

It is a super-2 number, since 2×3801122569² = 28897065569122319522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3801122519) 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, 403452 + ... + 412765.

It is an arithmetic number, because the mean of its divisors is an integer number (950485861).

Almost surely, 2^3801122569 is an apocalyptic number.

It is an amenable number.

3801122569 is a deficient number, since it is larger than the sum of its proper divisors (820875).

3801122569 is an equidigital number, since it uses as much as digits as its factorization.

3801122569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820874.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 3801122569 is about 61653.2445942628. The cubic root of 3801122569 is about 1560.6443986090.

The spelling of 3801122569 in words is "three billion, eight hundred one million, one hundred twenty-two thousand, five hundred sixty-nine".