946542809 has 8 divisors (see below), whose sum is σ = 977453568. Its totient is φ = 915655680.

The previous prime is 946542761. The next prime is 946542829. The reversal of 946542809 is 908245649.

946542809 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 946542809 - 2²⁰ = 945494233 is a prime.

It is a super-2 number, since 2×946542809² = 1791886578539220962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (946542829) 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, 115289 + ... + 123225.

It is an arithmetic number, because the mean of its divisors is an integer number (122181696).

Almost surely, 2^946542809 is an apocalyptic number.

It is an amenable number.

946542809 is a deficient number, since it is larger than the sum of its proper divisors (30910759).

946542809 is a wasteful number, since it uses less digits than its factorization.

946542809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11815.

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 946542809 is about 30765.9358544479. The cubic root of 946542809 is about 981.8536376758.

The spelling of 946542809 in words is "nine hundred forty-six million, five hundred forty-two thousand, eight hundred nine".