1038649039 has 8 divisors (see below), whose sum is σ = 1058400000. Its totient is φ = 1018969752.

The previous prime is 1038649033. The next prime is 1038649057. The reversal of 1038649039 is 9309468301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1038649039 - 2²³ = 1030260431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1038648986 and 1038649004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1038649033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11802 + ... + 47080.

It is an arithmetic number, because the mean of its divisors is an integer number (132300000).

Almost surely, 2^1038649039 is an apocalyptic number.

1038649039 is a deficient number, since it is larger than the sum of its proper divisors (19750961).

1038649039 is an equidigital number, since it uses as much as digits as its factorization.

1038649039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35837.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 1038649039 is about 32228.0784254972. The cubic root of 1038649039 is about 1012.7205153799.

The spelling of 1038649039 in words is "one billion, thirty-eight million, six hundred forty-nine thousand, thirty-nine".