3139452817 has 4 divisors (see below), whose sum is σ = 3139601776. Its totient is φ = 3139303860.

The previous prime is 3139452763. The next prime is 3139452847. The reversal of 3139452817 is 7182549313.

3139452817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7182549313 = 4057 ⋅1770409.

It is a cyclic number.

It is not a de Polignac number, because 3139452817 - 2¹⁵ = 3139420049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3139452847) 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, 36363 + ... + 87184.

It is an arithmetic number, because the mean of its divisors is an integer number (784900444).

Almost surely, 2^3139452817 is an apocalyptic number.

It is an amenable number.

3139452817 is a deficient number, since it is larger than the sum of its proper divisors (148959).

3139452817 is a wasteful number, since it uses less digits than its factorization.

3139452817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148958.

The product of its digits is 181440, while the sum is 43.

The square root of 3139452817 is about 56030.8202420775. The cubic root of 3139452817 is about 1464.2592856536.

The spelling of 3139452817 in words is "three billion, one hundred thirty-nine million, four hundred fifty-two thousand, eight hundred seventeen".