46991648663 has 4 divisors (see below), whose sum is σ = 47081844288. Its totient is φ = 46901453040.

The previous prime is 46991648653. The next prime is 46991648681. The reversal of 46991648663 is 36684619964.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 46991648663 - 2¹⁶ = 46991583127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46991648596 and 46991648605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46991648653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45097031 + ... + 45098072.

It is an arithmetic number, because the mean of its divisors is an integer number (11770461072).

Almost surely, 2^46991648663 is an apocalyptic number.

46991648663 is a deficient number, since it is larger than the sum of its proper divisors (90195625).

46991648663 is an equidigital number, since it uses as much as digits as its factorization.

46991648663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90195624.

The product of its digits is 40310784, while the sum is 62.

The spelling of 46991648663 in words is "forty-six billion, nine hundred ninety-one million, six hundred forty-eight thousand, six hundred sixty-three".