46128091 has 2 divisors, whose sum is σ = 46128092. Its totient is φ = 46128090.

The previous prime is 46128079. The next prime is 46128097. The reversal of 46128091 is 19082164.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 46128091 - 2¹¹ = 46126043 is a prime.

It is not a weakly prime, because it can be changed into another prime (46128097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23064045 + 23064046.

It is an arithmetic number, because the mean of its divisors is an integer number (23064046).

Almost surely, 2^46128091 is an apocalyptic number.

46128091 is a deficient number, since it is larger than the sum of its proper divisors (1).

46128091 is an equidigital number, since it uses as much as digits as its factorization.

46128091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 46128091 is about 6791.7664123555. The cubic root of 46128091 is about 358.6370558273.

The spelling of 46128091 in words is "forty-six million, one hundred twenty-eight thousand, ninety-one".