4377694381 has 2 divisors, whose sum is σ = 4377694382. Its totient is φ = 4377694380.

The previous prime is 4377694339. The next prime is 4377694393. The reversal of 4377694381 is 1834967734.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4374631881 + 3062500 = 66141^2 + 1750^2 .

It is a cyclic number.

It is not a de Polignac number, because 4377694381 - 2⁷ = 4377694253 is a prime.

It is a super-2 number, since 2×4377694381² = 38328416186877946322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4377694081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2188847190 + 2188847191.

It is an arithmetic number, because the mean of its divisors is an integer number (2188847191).

Almost surely, 2^4377694381 is an apocalyptic number.

It is an amenable number.

4377694381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4377694381 is an equidigital number, since it uses as much as digits as its factorization.

4377694381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 52.

The square root of 4377694381 is about 66164.1472475842. The cubic root of 4377694381 is about 1635.8688385322.

The spelling of 4377694381 in words is "four billion, three hundred seventy-seven million, six hundred ninety-four thousand, three hundred eighty-one".