1039641013 has 8 divisors (see below), whose sum is σ = 1050836696. Its totient is φ = 1028505600.

The previous prime is 1039641007. The next prime is 1039641037. The reversal of 1039641013 is 3101469301.

It can be written as a sum of positive squares in 4 ways, for example, as 75724804 + 963916209 = 8702^2 + 31047^2 .

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 1039641013 - 2²⁵ = 1006086581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1039641313) 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, 20053 + ... + 49813.

It is an arithmetic number, because the mean of its divisors is an integer number (131354587).

Almost surely, 2^1039641013 is an apocalyptic number.

It is an amenable number.

1039641013 is a deficient number, since it is larger than the sum of its proper divisors (11195683).

1039641013 is a wasteful number, since it uses less digits than its factorization.

1039641013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30135.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1039641013 is about 32243.4646556477. The cubic root of 1039641013 is about 1013.0428163485.

The spelling of 1039641013 in words is "one billion, thirty-nine million, six hundred forty-one thousand, thirteen".