1363236898 has 4 divisors (see below), whose sum is σ = 2044855350. Its totient is φ = 681618448.

The previous prime is 1363236893. The next prime is 1363236899. The reversal of 1363236898 is 8986323631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8986323631 = 107 ⋅83984333.

It can be written as a sum of positive squares in only one way, i.e., 877166689 + 486070209 = 29617^2 + 22047^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1363236893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340809223 + ... + 340809226.

Almost surely, 2^1363236898 is an apocalyptic number.

1363236898 is a deficient number, since it is larger than the sum of its proper divisors (681618452).

1363236898 is an equidigital number, since it uses as much as digits as its factorization.

1363236898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681618451.

The product of its digits is 1119744, while the sum is 49.

The square root of 1363236898 is about 36922.0381073418. The cubic root of 1363236898 is about 1108.8099406439.

The spelling of 1363236898 in words is "one billion, three hundred sixty-three million, two hundred thirty-six thousand, eight hundred ninety-eight".