3801139445 has 4 divisors (see below), whose sum is σ = 4561367340. Its totient is φ = 3040911552.

The previous prime is 3801139393. The next prime is 3801139513. The reversal of 3801139445 is 5449311083.

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 2647925764 + 1153213681 = 51458^2 + 33959^2 .

It is a cyclic number.

It is not a de Polignac number, because 3801139445 - 2¹⁰ = 3801138421 is a prime.

It is a super-2 number, since 2×3801139445² = 28897322160669816050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3801139399 and 3801139408.

It is a congruent number.

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, 380113940 + ... + 380113949.

It is an arithmetic number, because the mean of its divisors is an integer number (1140341835).

Almost surely, 2^3801139445 is an apocalyptic number.

It is an amenable number.

3801139445 is a deficient number, since it is larger than the sum of its proper divisors (760227895).

3801139445 is an equidigital number, since it uses as much as digits as its factorization.

3801139445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760227894.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 3801139445 is about 61653.3814563321. The cubic root of 3801139445 is about 1560.6467082246.

The spelling of 3801139445 in words is "three billion, eight hundred one million, one hundred thirty-nine thousand, four hundred forty-five".