3801750181 has 4 divisors (see below), whose sum is σ = 3802457932. Its totient is φ = 3801042432.

The previous prime is 3801750179. The next prime is 3801750187. The reversal of 3801750181 is 1810571083.

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 1949222500 + 1852527681 = 44150^2 + 43041^2 .

It is a cyclic number.

It is not a de Polignac number, because 3801750181 - 2¹ = 3801750179 is a prime.

It is a super-2 number, since 2×3801750181² = 28906608877467065522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3801750187) 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, 345756 + ... + 356581.

It is an arithmetic number, because the mean of its divisors is an integer number (950614483).

Almost surely, 2^3801750181 is an apocalyptic number.

It is an amenable number.

3801750181 is a deficient number, since it is larger than the sum of its proper divisors (707751).

3801750181 is an equidigital number, since it uses as much as digits as its factorization.

3801750181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707750.

The product of its (nonzero) digits is 6720, while the sum is 34.

The square root of 3801750181 is about 61658.3342379601. The cubic root of 3801750181 is about 1560.7302877318.

The spelling of 3801750181 in words is "three billion, eight hundred one million, seven hundred fifty thousand, one hundred eighty-one".