3801565426 has 4 divisors (see below), whose sum is σ = 5702348142. Its totient is φ = 1900782712.

The previous prime is 3801565421. The next prime is 3801565441. The reversal of 3801565426 is 6245651083.

3801565426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3788279401 + 13286025 = 61549^2 + 3645^2 .

It is a super-2 number, since 2×3801565426² = 28903799376317122952, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3801565421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 950391355 + ... + 950391358.

Almost surely, 2^3801565426 is an apocalyptic number.

3801565426 is a deficient number, since it is larger than the sum of its proper divisors (1900782716).

3801565426 is a wasteful number, since it uses less digits than its factorization.

3801565426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900782715.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 3801565426 is about 61656.8360038042. The cubic root of 3801565426 is about 1560.7050048680.

The spelling of 3801565426 in words is "three billion, eight hundred one million, five hundred sixty-five thousand, four hundred twenty-six".