1368443606 has 4 divisors (see below), whose sum is σ = 2052665412. Its totient is φ = 684221802.

The previous prime is 1368443579. The next prime is 1368443617. The reversal of 1368443606 is 6063448631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6063448631 = 41 ⋅147888991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342110900 + ... + 342110903.

It is an arithmetic number, because the mean of its divisors is an integer number (513166353).

Almost surely, 2^1368443606 is an apocalyptic number.

1368443606 is a deficient number, since it is larger than the sum of its proper divisors (684221806).

1368443606 is an equidigital number, since it uses as much as digits as its factorization.

1368443606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684221805.

The product of its (nonzero) digits is 248832, while the sum is 41.

The square root of 1368443606 is about 36992.4803980485. The cubic root of 1368443606 is about 1110.2197995593.

The spelling of 1368443606 in words is "one billion, three hundred sixty-eight million, four hundred forty-three thousand, six hundred six".