1361703361 has 2 divisors, whose sum is σ = 1361703362. Its totient is φ = 1361703360.

The previous prime is 1361703313. The next prime is 1361703373. The reversal of 1361703361 is 1633071631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1357480336 + 4223025 = 36844^2 + 2055^2 .

It is an emirp because it is prime and its reverse (1633071631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1361703361 - 2¹³ = 1361695169 is a prime.

It is not a weakly prime, because it can be changed into another prime (1361733361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680851680 + 680851681.

It is an arithmetic number, because the mean of its divisors is an integer number (680851681).

Almost surely, 2^1361703361 is an apocalyptic number.

It is an amenable number.

1361703361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361703361 is an equidigital number, since it uses as much as digits as its factorization.

1361703361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 1361703361 is about 36901.2650325162. The cubic root of 1361703361 is about 1108.3940092485.

Adding to 1361703361 its reverse (1633071631), we get a palindrome (2994774992).

The spelling of 1361703361 in words is "one billion, three hundred sixty-one million, seven hundred three thousand, three hundred sixty-one".