46647691 has 2 divisors, whose sum is σ = 46647692. Its totient is φ = 46647690.

The previous prime is 46647619. The next prime is 46647697. The reversal of 46647691 is 19674664.

Together with previous prime (46647619) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 46647691 - 2⁷ = 46647563 is a prime.

It is not a weakly prime, because it can be changed into another prime (46647697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23323845 + 23323846.

It is an arithmetic number, because the mean of its divisors is an integer number (23323846).

Almost surely, 2^46647691 is an apocalyptic number.

46647691 is a deficient number, since it is larger than the sum of its proper divisors (1).

46647691 is an equidigital number, since it uses as much as digits as its factorization.

46647691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 46647691 is about 6829.9114928380. The cubic root of 46647691 is about 359.9786278464.

The spelling of 46647691 in words is "forty-six million, six hundred forty-seven thousand, six hundred ninety-one".