1368089441 has 4 divisors (see below), whose sum is σ = 1368192432. Its totient is φ = 1367986452.

The previous prime is 1368089431. The next prime is 1368089497. The reversal of 1368089441 is 1449808631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1368089441 - 2⁶ = 1368089377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1368089392 and 1368089401.

It is not an unprimeable number, because it can be changed into a prime (1368089431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27995 + ... + 59328.

It is an arithmetic number, because the mean of its divisors is an integer number (342048108).

Almost surely, 2^1368089441 is an apocalyptic number.

It is an amenable number.

1368089441 is a deficient number, since it is larger than the sum of its proper divisors (102991).

1368089441 is an equidigital number, since it uses as much as digits as its factorization.

1368089441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102990.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 1368089441 is about 36987.6931018954. The cubic root of 1368089441 is about 1110.1240131443.

The spelling of 1368089441 in words is "one billion, three hundred sixty-eight million, eighty-nine thousand, four hundred forty-one".