1368289011 has 4 divisors (see below), whose sum is σ = 1824385352. Its totient is φ = 912192672.

The previous prime is 1368289003. The next prime is 1368289033. The reversal of 1368289011 is 1109828631.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1368289011 - 2³ = 1368289003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1368285011) 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, 228048166 + ... + 228048171.

It is an arithmetic number, because the mean of its divisors is an integer number (456096338).

Almost surely, 2^1368289011 is an apocalyptic number.

1368289011 is a deficient number, since it is larger than the sum of its proper divisors (456096341).

1368289011 is an equidigital number, since it uses as much as digits as its factorization.

1368289011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456096340.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 1368289011 is about 36990.3907927451. The cubic root of 1368289011 is about 1110.1779902871.

The spelling of 1368289011 in words is "one billion, three hundred sixty-eight million, two hundred eighty-nine thousand, eleven".