46040818973521 has 2 divisors, whose sum is σ = 46040818973522. Its totient is φ = 46040818973520.

The previous prime is 46040818973503. The next prime is 46040818973537. The reversal of 46040818973521 is 12537981804064.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36018434359296 + 10022384614225 = 6001536^2 + 3165815^2 .

It is a cyclic number.

It is not a de Polignac number, because 46040818973521 - 2¹¹ = 46040818971473 is a prime.

It is not a weakly prime, because it can be changed into another prime (46040818973621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23020409486760 + 23020409486761.

It is an arithmetic number, because the mean of its divisors is an integer number (23020409486761).

It is a 1-persistent number, because it is pandigital, but 2⋅46040818973521 = 92081637947042 is not.

Almost surely, 2^{46040818973521} is an apocalyptic number.

It is an amenable number.

46040818973521 is a deficient number, since it is larger than the sum of its proper divisors (1).

46040818973521 is an equidigital number, since it uses as much as digits as its factorization.

46040818973521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11612160, while the sum is 58.

The spelling of 46040818973521 in words is "forty-six trillion, forty billion, eight hundred eighteen million, nine hundred seventy-three thousand, five hundred twenty-one".