1083681377 has 2 divisors, whose sum is σ = 1083681378. Its totient is φ = 1083681376.

The previous prime is 1083681311. The next prime is 1083681421. The reversal of 1083681377 is 7731863801.

It is an a-pointer prime, because the next prime (1083681421) can be obtained adding 1083681377 to its sum of digits (44).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1058591296 + 25090081 = 32536^2 + 5009^2 .

It is a cyclic number.

It is not a de Polignac number, because 1083681377 - 2¹² = 1083677281 is a prime.

It is a super-2 number, since 2×1083681377² = 2348730653713232258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1083684377) 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, 541840688 + 541840689.

It is an arithmetic number, because the mean of its divisors is an integer number (541840689).

Almost surely, 2^1083681377 is an apocalyptic number.

It is an amenable number.

1083681377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1083681377 is an equidigital number, since it uses as much as digits as its factorization.

1083681377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 1083681377 is about 32919.3161684747. The cubic root of 1083681377 is about 1027.1499989334.

The spelling of 1083681377 in words is "one billion, eighty-three million, six hundred eighty-one thousand, three hundred seventy-seven".