1363891604 has 6 divisors (see below), whose sum is σ = 2386810314. Its totient is φ = 681945800.

The previous prime is 1363891583. The next prime is 1363891621. The reversal of 1363891604 is 4061983631.

It can be written as a sum of positive squares in only one way, i.e., 1238899204 + 124992400 = 35198^2 + 11180^2 .

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, 170486447 + ... + 170486454.

It is an arithmetic number, because the mean of its divisors is an integer number (397801719).

Almost surely, 2^1363891604 is an apocalyptic number.

It is an amenable number.

1363891604 is a deficient number, since it is larger than the sum of its proper divisors (1022918710).

1363891604 is a wasteful number, since it uses less digits than its factorization.

1363891604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340972905 (or 340972903 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 1363891604 is about 36930.9031029570. The cubic root of 1363891604 is about 1108.9874173391.

The spelling of 1363891604 in words is "one billion, three hundred sixty-three million, eight hundred ninety-one thousand, six hundred four".