46921663 has 2 divisors, whose sum is σ = 46921664. Its totient is φ = 46921662.

The previous prime is 46921619. The next prime is 46921673. The reversal of 46921663 is 36612964.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 46921663 - 2⁹ = 46921151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46921603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23460831 + 23460832.

It is an arithmetic number, because the mean of its divisors is an integer number (23460832).

Almost surely, 2^46921663 is an apocalyptic number.

46921663 is a deficient number, since it is larger than the sum of its proper divisors (1).

46921663 is an equidigital number, since it uses as much as digits as its factorization.

46921663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 37.

The square root of 46921663 is about 6849.9389048370. The cubic root of 46921663 is about 360.6819967942.

The spelling of 46921663 in words is "forty-six million, nine hundred twenty-one thousand, six hundred sixty-three".