46894042813 has 2 divisors, whose sum is σ = 46894042814. Its totient is φ = 46894042812.

The previous prime is 46894042787. The next prime is 46894042817. The reversal of 46894042813 is 31824049864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27573598809 + 19320444004 = 166053^2 + 138998^2 .

It is a cyclic number.

It is not a de Polignac number, because 46894042813 - 2³³ = 38304108221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46894042817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23447021406 + 23447021407.

It is an arithmetic number, because the mean of its divisors is an integer number (23447021407).

Almost surely, 2^46894042813 is an apocalyptic number.

It is an amenable number.

46894042813 is a deficient number, since it is larger than the sum of its proper divisors (1).

46894042813 is an equidigital number, since it uses as much as digits as its factorization.

46894042813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 46894042813 in words is "forty-six billion, eight hundred ninety-four million, forty-two thousand, eight hundred thirteen".