3745771819 has 4 divisors (see below), whose sum is σ = 3866603200. Its totient is φ = 3624940440.

The previous prime is 3745771793. The next prime is 3745771829. The reversal of 3745771819 is 9181775473.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9181775473 = 13 ⋅706290421.

It is a cyclic number.

It is not a de Polignac number, because 3745771819 - 2¹¹ = 3745769771 is a prime.

It is a super-2 number, since 2×3745771819² = 28061613040029137522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3745771829) 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, 60415644 + ... + 60415705.

It is an arithmetic number, because the mean of its divisors is an integer number (966650800).

Almost surely, 2^3745771819 is an apocalyptic number.

3745771819 is a deficient number, since it is larger than the sum of its proper divisors (120831381).

3745771819 is a wasteful number, since it uses less digits than its factorization.

3745771819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120831380.

The product of its digits is 1481760, while the sum is 52.

The square root of 3745771819 is about 61202.7108795027. The cubic root of 3745771819 is about 1553.0321248755.

The spelling of 3745771819 in words is "three billion, seven hundred forty-five million, seven hundred seventy-one thousand, eight hundred nineteen".