3491888377 has 2 divisors, whose sum is σ = 3491888378. Its totient is φ = 3491888376.

The previous prime is 3491888341. The next prime is 3491888437. The reversal of 3491888377 is 7738881943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2586841321 + 905047056 = 50861^2 + 30084^2 .

It is a cyclic number.

It is not a de Polignac number, because 3491888377 - 2⁷ = 3491888249 is a prime.

It is not a weakly prime, because it can be changed into another prime (3491885377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1745944188 + 1745944189.

It is an arithmetic number, because the mean of its divisors is an integer number (1745944189).

Almost surely, 2^3491888377 is an apocalyptic number.

It is an amenable number.

3491888377 is a deficient number, since it is larger than the sum of its proper divisors (1).

3491888377 is an equidigital number, since it uses as much as digits as its factorization.

3491888377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8128512, while the sum is 58.

The square root of 3491888377 is about 59092.2023366874. The cubic root of 3491888377 is about 1517.1206422083.

The spelling of 3491888377 in words is "three billion, four hundred ninety-one million, eight hundred eighty-eight thousand, three hundred seventy-seven".