3919677481 has 2 divisors, whose sum is σ = 3919677482. Its totient is φ = 3919677480.

The previous prime is 3919677413. The next prime is 3919677491. The reversal of 3919677481 is 1847769193.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3408691456 + 510986025 = 58384^2 + 22605^2 .

It is a cyclic number.

It is not a de Polignac number, because 3919677481 - 2¹³ = 3919669289 is a prime.

It is a super-2 number, since 2×3919677481² = 30727743110117010722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3919677491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1959838740 + 1959838741.

It is an arithmetic number, because the mean of its divisors is an integer number (1959838741).

Almost surely, 2^3919677481 is an apocalyptic number.

It is an amenable number.

3919677481 is a deficient number, since it is larger than the sum of its proper divisors (1).

3919677481 is an equidigital number, since it uses as much as digits as its factorization.

3919677481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 55.

The square root of 3919677481 is about 62607.3276941286. The cubic root of 3919677481 is about 1576.7037890136.

The spelling of 3919677481 in words is "three billion, nine hundred nineteen million, six hundred seventy-seven thousand, four hundred eighty-one".