1361161799 has 2 divisors, whose sum is σ = 1361161800. Its totient is φ = 1361161798.

The previous prime is 1361161759. The next prime is 1361161871. The reversal of 1361161799 is 9971611631.

It is a weak prime.

It is an emirp because it is prime and its reverse (9971611631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1361161799 is a prime.

It is a super-3 number, since 3×1361161799³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361161709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680580899 + 680580900.

It is an arithmetic number, because the mean of its divisors is an integer number (680580900).

Almost surely, 2^1361161799 is an apocalyptic number.

1361161799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361161799 is an equidigital number, since it uses as much as digits as its factorization.

1361161799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 44.

The square root of 1361161799 is about 36893.9263158585. The cubic root of 1361161799 is about 1108.2470502538.

The spelling of 1361161799 in words is "one billion, three hundred sixty-one million, one hundred sixty-one thousand, seven hundred ninety-nine".