3771041381 has 4 divisors (see below), whose sum is σ = 3851276352. Its totient is φ = 3690806412.

The previous prime is 3771041347. The next prime is 3771041387. The reversal of 3771041381 is 1831401773.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3771041381 - 2⁶ = 3771041317 is a prime.

It is a super-2 number, since 2×3771041381² = 28441506194428774322, 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 (3771041387) 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, 40117415 + ... + 40117508.

It is an arithmetic number, because the mean of its divisors is an integer number (962819088).

Almost surely, 2^3771041381 is an apocalyptic number.

It is an amenable number.

3771041381 is a deficient number, since it is larger than the sum of its proper divisors (80234971).

3771041381 is an equidigital number, since it uses as much as digits as its factorization.

3771041381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80234970.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 3771041381 is about 61408.8054028085. The cubic root of 3771041381 is about 1556.5166333663.

The spelling of 3771041381 in words is "three billion, seven hundred seventy-one million, forty-one thousand, three hundred eighty-one".