1438044097 has 4 divisors (see below), whose sum is σ = 1643478976. Its totient is φ = 1232609220.

The previous prime is 1438044067. The next prime is 1438044103. The reversal of 1438044097 is 7904408341.

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 a de Polignac number, because none of the positive numbers 2^k-1438044097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1438044017) 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, 102717429 + ... + 102717442.

It is an arithmetic number, because the mean of its divisors is an integer number (410869744).

Almost surely, 2^1438044097 is an apocalyptic number.

It is an amenable number.

1438044097 is a deficient number, since it is larger than the sum of its proper divisors (205434879).

1438044097 is an equidigital number, since it uses as much as digits as its factorization.

1438044097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205434878.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 1438044097 is about 37921.5518801644. The cubic root of 1438044097 is about 1128.7317321151.

The spelling of 1438044097 in words is "one billion, four hundred thirty-eight million, forty-four thousand, ninety-seven".