946579975649 has 8 divisors (see below), whose sum is σ = 1180151658048. Its totient is φ = 737594786160.

The previous prime is 946579975637. The next prime is 946579975651.

946579975649 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-946579975649 is a prime.

It is a super-2 number, since 2×946579975649² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (946579975609) 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, 6146623142 + ... + 6146623295.

It is an arithmetic number, because the mean of its divisors is an integer number (147518957256).

Almost surely, 2^946579975649 is an apocalyptic number.

It is an amenable number.

946579975649 is a deficient number, since it is larger than the sum of its proper divisors (233571682399).

946579975649 is a wasteful number, since it uses less digits than its factorization.

946579975649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12293246455.

The product of its digits is 4629441600, while the sum is 80.

The spelling of 946579975649 in words is "nine hundred forty-six billion, five hundred seventy-nine million, nine hundred seventy-five thousand, six hundred forty-nine".