1361898363 has 8 divisors (see below), whose sum is σ = 2075273728. Its totient is φ = 778227624.

The previous prime is 1361898361. The next prime is 1361898403. The reversal of 1361898363 is 3638981631.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1361898363 - 2¹ = 1361898361 is a prime.

It is a super-2 number, since 2×1361898363² = 3709534302284159538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361898361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32426131 + ... + 32426172.

It is an arithmetic number, because the mean of its divisors is an integer number (259409216).

Almost surely, 2^1361898363 is an apocalyptic number.

1361898363 is a deficient number, since it is larger than the sum of its proper divisors (713375365).

1361898363 is an equidigital number, since it uses as much as digits as its factorization.

1361898363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64852313.

The product of its digits is 559872, while the sum is 48.

The square root of 1361898363 is about 36903.9071508695. The cubic root of 1361898363 is about 1108.4469157131.

The spelling of 1361898363 in words is "one billion, three hundred sixty-one million, eight hundred ninety-eight thousand, three hundred sixty-three".