1103413633 has 4 divisors (see below), whose sum is σ = 1261044160. Its totient is φ = 945783108.

The previous prime is 1103413603. The next prime is 1103413637. The reversal of 1103413633 is 3363143011.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 1103413633 - 2⁵ = 1103413601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103413598 and 1103413607.

It is not an unprimeable number, because it can be changed into a prime (1103413637) 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, 78815253 + ... + 78815266.

It is an arithmetic number, because the mean of its divisors is an integer number (315261040).

Almost surely, 2^1103413633 is an apocalyptic number.

It is an amenable number.

1103413633 is a deficient number, since it is larger than the sum of its proper divisors (157630527).

1103413633 is an equidigital number, since it uses as much as digits as its factorization.

1103413633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157630526.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 1103413633 is about 33217.6704932781. The cubic root of 1103413633 is about 1033.3468386603.

Adding to 1103413633 its reverse (3363143011), we get a palindrome (4466556644).

It can be divided in two parts, 1103 and 413633, that added together give a square (414736 = 644²).

The spelling of 1103413633 in words is "one billion, one hundred three million, four hundred thirteen thousand, six hundred thirty-three".