46640664149 has 8 divisors (see below), whose sum is σ = 48671521152. Its totient is φ = 44610057360.

The previous prime is 46640664137. The next prime is 46640664193. The reversal of 46640664149 is 94146604664.

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-46640664149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 46640664097 and 46640664106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46640664199) 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, 387272 + ... + 493214.

It is an arithmetic number, because the mean of its divisors is an integer number (6083940144).

Almost surely, 2^46640664149 is an apocalyptic number.

It is an amenable number.

46640664149 is a deficient number, since it is larger than the sum of its proper divisors (2030857003).

46640664149 is a wasteful number, since it uses less digits than its factorization.

46640664149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125107.

The product of its (nonzero) digits is 2985984, while the sum is 50.

The spelling of 46640664149 in words is "forty-six billion, six hundred forty million, six hundred sixty-four thousand, one hundred forty-nine".