3122947509 has 8 divisors (see below), whose sum is σ = 4542469152. Its totient is φ = 1892695440.

The previous prime is 3122947463. The next prime is 3122947511. The reversal of 3122947509 is 9057492213.

3122947509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3122947509 - 2⁷ = 3122947381 is a prime.

It is a super-2 number, since 2×3122947509² = 19505602287938610162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122947589) 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, 47317354 + ... + 47317419.

It is an arithmetic number, because the mean of its divisors is an integer number (567808644).

Almost surely, 2^3122947509 is an apocalyptic number.

It is an amenable number.

3122947509 is a deficient number, since it is larger than the sum of its proper divisors (1419521643).

3122947509 is a wasteful number, since it uses less digits than its factorization.

3122947509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94634787.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 3122947509 is about 55883.3383845310. The cubic root of 3122947509 is about 1461.6887179332.

The spelling of 3122947509 in words is "three billion, one hundred twenty-two million, nine hundred forty-seven thousand, five hundred nine".