1361839733 has 2 divisors, whose sum is σ = 1361839734. Its totient is φ = 1361839732.

The previous prime is 1361839691. The next prime is 1361839771. The reversal of 1361839733 is 3379381631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 928908484 + 432931249 = 30478^2 + 20807^2 .

It is a cyclic number.

It is not a de Polignac number, because 1361839733 - 2¹⁴ = 1361823349 is a prime.

It is a super-2 number, since 2×1361839733² = 3709214916755022578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361839793) 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, 680919866 + 680919867.

It is an arithmetic number, because the mean of its divisors is an integer number (680919867).

Almost surely, 2^1361839733 is an apocalyptic number.

It is an amenable number.

1361839733 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361839733 is an equidigital number, since it uses as much as digits as its factorization.

1361839733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 44.

The square root of 1361839733 is about 36903.1127819863. The cubic root of 1361839733 is about 1108.4310091969.

The spelling of 1361839733 in words is "one billion, three hundred sixty-one million, eight hundred thirty-nine thousand, seven hundred thirty-three".