3883751381 has 4 divisors (see below), whose sum is σ = 3884639052. Its totient is φ = 3882863712.

The previous prime is 3883751359. The next prime is 3883751383. The reversal of 3883751381 is 1831573883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1831573883 = 7547 ⋅242689.

It can be written as a sum of positive squares in 2 ways, for example, as 2473072900 + 1410678481 = 49730^2 + 37559^2 .

It is a cyclic number.

It is not a de Polignac number, because 3883751381 - 2¹⁰ = 3883750357 is a prime.

It is a super-2 number, since 2×3883751381² = 30167049578838814322, 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 (3883751383) 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, 437240 + ... + 446033.

It is an arithmetic number, because the mean of its divisors is an integer number (971159763).

Almost surely, 2^3883751381 is an apocalyptic number.

It is an amenable number.

3883751381 is a deficient number, since it is larger than the sum of its proper divisors (887671).

3883751381 is an equidigital number, since it uses as much as digits as its factorization.

3883751381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887670.

The product of its digits is 483840, while the sum is 47.

The square root of 3883751381 is about 62319.7511307611. The cubic root of 3883751381 is about 1571.8718637936.

The spelling of 3883751381 in words is "three billion, eight hundred eighty-three million, seven hundred fifty-one thousand, three hundred eighty-one".