1038499445 has 4 divisors (see below), whose sum is σ = 1246199340. Its totient is φ = 830799552.

The previous prime is 1038499409. The next prime is 1038499453. The reversal of 1038499445 is 5449948301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5449948301 = 7 ⋅778564043.

It can be written as a sum of positive squares in 2 ways, for example, as 796199089 + 242300356 = 28217^2 + 15566^2 .

It is a cyclic number.

It is not a de Polignac number, because 1038499445 - 2¹⁰ = 1038498421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1038499445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103849940 + ... + 103849949.

It is an arithmetic number, because the mean of its divisors is an integer number (311549835).

Almost surely, 2^1038499445 is an apocalyptic number.

It is an amenable number.

1038499445 is a deficient number, since it is larger than the sum of its proper divisors (207699895).

1038499445 is an equidigital number, since it uses as much as digits as its factorization.

1038499445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207699894.

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 1038499445 is about 32225.7574775210. The cubic root of 1038499445 is about 1012.6718931854.

The spelling of 1038499445 in words is "one billion, thirty-eight million, four hundred ninety-nine thousand, four hundred forty-five".