46640648289 has 8 divisors (see below), whose sum is σ = 62255797632. Its totient is φ = 31059632240.

The previous prime is 46640648189. The next prime is 46640648291. The reversal of 46640648289 is 98284604664.

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

It is a cyclic number.

It is not a de Polignac number, because 46640648289 - 2⁷ = 46640648161 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (46640648189) 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, 8530134 + ... + 8535599.

It is an arithmetic number, because the mean of its divisors is an integer number (7781974704).

Almost surely, 2^46640648289 is an apocalyptic number.

It is an amenable number.

46640648289 is a deficient number, since it is larger than the sum of its proper divisors (15615149343).

46640648289 is a wasteful number, since it uses less digits than its factorization.

46640648289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17066647.

The product of its (nonzero) digits is 15925248, while the sum is 57.

The spelling of 46640648289 in words is "forty-six billion, six hundred forty million, six hundred forty-eight thousand, two hundred eighty-nine".