5379194881 has 2 divisors, whose sum is σ = 5379194882. Its totient is φ = 5379194880.

The previous prime is 5379194869. The next prime is 5379194921. The reversal of 5379194881 is 1884919735.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5071718656 + 307476225 = 71216^2 + 17535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5379194881 is a prime.

It is a super-2 number, since 2×5379194881² = 57871475135553208322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5379194801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2689597440 + 2689597441.

It is an arithmetic number, because the mean of its divisors is an integer number (2689597441).

It is a Proth number, since it is equal to 2565 ⋅ 2²¹ + 1 and 2565 < 2²¹.

Almost surely, 2^5379194881 is an apocalyptic number.

It is an amenable number.

5379194881 is a deficient number, since it is larger than the sum of its proper divisors (1).

5379194881 is an equidigital number, since it uses as much as digits as its factorization.

5379194881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 55.

The square root of 5379194881 is about 73342.9947643263. The cubic root of 5379194881 is about 1752.1546120972.

The spelling of 5379194881 in words is "five billion, three hundred seventy-nine million, one hundred ninety-four thousand, eight hundred eighty-one".