46909091149 has 2 divisors, whose sum is σ = 46909091150. Its totient is φ = 46909091148.

The previous prime is 46909091137. The next prime is 46909091153. The reversal of 46909091149 is 94119090964.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46034706249 + 874384900 = 214557^2 + 29570^2 .

It is a cyclic number.

It is not a de Polignac number, because 46909091149 - 2⁹ = 46909090637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 46909091096 and 46909091105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46909091179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23454545574 + 23454545575.

It is an arithmetic number, because the mean of its divisors is an integer number (23454545575).

Almost surely, 2^46909091149 is an apocalyptic number.

It is an amenable number.

46909091149 is a deficient number, since it is larger than the sum of its proper divisors (1).

46909091149 is an equidigital number, since it uses as much as digits as its factorization.

46909091149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 52.

The spelling of 46909091149 in words is "forty-six billion, nine hundred nine million, ninety-one thousand, one hundred forty-nine".