1361023073 has 2 divisors, whose sum is σ = 1361023074. Its totient is φ = 1361023072.

The previous prime is 1361023063. The next prime is 1361023117. The reversal of 1361023073 is 3703201631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1326999184 + 34023889 = 36428^2 + 5833^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1361023073 is a prime.

It is not a weakly prime, because it can be changed into another prime (1361023063) 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, 680511536 + 680511537.

It is an arithmetic number, because the mean of its divisors is an integer number (680511537).

Almost surely, 2^1361023073 is an apocalyptic number.

It is an amenable number.

1361023073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361023073 is an equidigital number, since it uses as much as digits as its factorization.

1361023073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 1361023073 is about 36892.0462023998. The cubic root of 1361023073 is about 1108.2093991081.

The spelling of 1361023073 in words is "one billion, three hundred sixty-one million, twenty-three thousand, seventy-three".