1039659897 has 4 divisors (see below), whose sum is σ = 1386213200. Its totient is φ = 693106596.

The previous prime is 1039659883. The next prime is 1039659937. The reversal of 1039659897 is 7989569301.

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 not a de Polignac number, because 1039659897 - 2¹¹ = 1039657849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1039659877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173276647 + ... + 173276652.

It is an arithmetic number, because the mean of its divisors is an integer number (346553300).

Almost surely, 2^1039659897 is an apocalyptic number.

It is an amenable number.

1039659897 is a deficient number, since it is larger than the sum of its proper divisors (346553303).

1039659897 is an equidigital number, since it uses as much as digits as its factorization.

1039659897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346553302.

The product of its (nonzero) digits is 3674160, while the sum is 57.

The square root of 1039659897 is about 32243.7574888536. The cubic root of 1039659897 is about 1013.0489499352.

The spelling of 1039659897 in words is "one billion, thirty-nine million, six hundred fifty-nine thousand, eight hundred ninety-seven".