246643408946 has 32 divisors (see below), whose sum is σ = 406592706240. Its totient is φ = 111279225600.

The previous prime is 246643408943. The next prime is 246643408961. The reversal of 246643408946 is 649804346642.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 246643408891 and 246643408900.

It is not an unprimeable number, because it can be changed into a prime (246643408943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25367366 + ... + 25377086.

It is an arithmetic number, because the mean of its divisors is an integer number (12706022070).

Almost surely, 2^246643408946 is an apocalyptic number.

246643408946 is a deficient number, since it is larger than the sum of its proper divisors (159949297294).

246643408946 is a wasteful number, since it uses less digits than its factorization.

246643408946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18170.

The product of its (nonzero) digits is 23887872, while the sum is 56.

The spelling of 246643408946 in words is "two hundred forty-six billion, six hundred forty-three million, four hundred eight thousand, nine hundred forty-six".