4192443881 has 2 divisors, whose sum is σ = 4192443882. Its totient is φ = 4192443880.

The previous prime is 4192443869. The next prime is 4192443949. The reversal of 4192443881 is 1883442914.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2609677225 + 1582766656 = 51085^2 + 39784^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4192443881 is a prime.

It is a super-2 number, since 2×4192443881² = 35153171390668684322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4192443581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2096221940 + 2096221941.

It is an arithmetic number, because the mean of its divisors is an integer number (2096221941).

Almost surely, 2^4192443881 is an apocalyptic number.

It is an amenable number.

4192443881 is a deficient number, since it is larger than the sum of its proper divisors (1).

4192443881 is an equidigital number, since it uses as much as digits as its factorization.

4192443881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 44.

The square root of 4192443881 is about 64749.0840166871. The cubic root of 4192443881 is about 1612.4605049798.

The spelling of 4192443881 in words is "four billion, one hundred ninety-two million, four hundred forty-three thousand, eight hundred eighty-one".