3781399711 has 8 divisors (see below), whose sum is σ = 3864407040. Its totient is φ = 3698498808.

The previous prime is 3781399669. The next prime is 3781399733. The reversal of 3781399711 is 1179931873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3781399711 - 2¹¹ = 3781397663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3781399751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47470 + ... + 99076.

It is an arithmetic number, because the mean of its divisors is an integer number (483050880).

Almost surely, 2^3781399711 is an apocalyptic number.

3781399711 is a deficient number, since it is larger than the sum of its proper divisors (83007329).

3781399711 is a wasteful number, since it uses less digits than its factorization.

3781399711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53213.

The product of its digits is 285768, while the sum is 49.

The square root of 3781399711 is about 61493.0866927332. The cubic root of 3781399711 is about 1557.9404817246.

The spelling of 3781399711 in words is "three billion, seven hundred eighty-one million, three hundred ninety-nine thousand, seven hundred eleven".