10361399939 has 4 divisors (see below), whose sum is σ = 11303345400. Its totient is φ = 9419454480.

The previous prime is 10361399933. The next prime is 10361399947. The reversal of 10361399939 is 93999316301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10361399939 - 2²⁰ = 10360351363 is a prime.

It is a super-4 number, since 4×10361399939⁴ (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10361399933) 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, 470972714 + ... + 470972735.

It is an arithmetic number, because the mean of its divisors is an integer number (2825836350).

Almost surely, 2^10361399939 is an apocalyptic number.

10361399939 is a deficient number, since it is larger than the sum of its proper divisors (941945461).

10361399939 is an equidigital number, since it uses as much as digits as its factorization.

10361399939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941945460.

The product of its (nonzero) digits is 1062882, while the sum is 53.

The spelling of 10361399939 in words is "ten billion, three hundred sixty-one million, three hundred ninety-nine thousand, nine hundred thirty-nine".