1363453103 has 4 divisors (see below), whose sum is σ = 1365186360. Its totient is φ = 1361719848.

The previous prime is 1363453061. The next prime is 1363453111. The reversal of 1363453103 is 3013543631.

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

It is a cyclic number.

It is not a de Polignac number, because 1363453103 - 2¹⁶ = 1363387567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363456103) 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, 865448 + ... + 867021.

It is an arithmetic number, because the mean of its divisors is an integer number (341296590).

Almost surely, 2^1363453103 is an apocalyptic number.

1363453103 is a deficient number, since it is larger than the sum of its proper divisors (1733257).

1363453103 is an equidigital number, since it uses as much as digits as its factorization.

1363453103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733256.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 1363453103 is about 36924.9658496795. The cubic root of 1363453103 is about 1108.8685554455.

Adding to 1363453103 its reverse (3013543631), we get a palindrome (4376996734).

The spelling of 1363453103 in words is "one billion, three hundred sixty-three million, four hundred fifty-three thousand, one hundred three".