3881640461883 has 4 divisors (see below), whose sum is σ = 5175520615848. Its totient is φ = 2587760307920.

The previous prime is 3881640461837. The next prime is 3881640461903.

3881640461883 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3881640461883 - 2⁸ = 3881640461627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3881640461833) 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, 646940076978 + ... + 646940076983.

It is an arithmetic number, because the mean of its divisors is an integer number (1293880153962).

Almost surely, 2^{3881640461883} is an apocalyptic number.

3881640461883 is a deficient number, since it is larger than the sum of its proper divisors (1293880153965).

3881640461883 is a wasteful number, since it uses less digits than its factorization.

3881640461883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293880153964.

The product of its (nonzero) digits is 21233664, while the sum is 60.

The spelling of 3881640461883 in words is "three trillion, eight hundred eighty-one billion, six hundred forty million, four hundred sixty-one thousand, eight hundred eighty-three".