46923504581 has 2 divisors, whose sum is σ = 46923504582. Its totient is φ = 46923504580.

The previous prime is 46923504577. The next prime is 46923504611. The reversal of 46923504581 is 18540532964.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39425676481 + 7497828100 = 198559^2 + 86590^2 .

It is a cyclic number.

It is not a de Polignac number, because 46923504581 - 2² = 46923504577 is a prime.

It is a super-2 number, since 2×46923504581² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46923504541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23461752290 + 23461752291.

It is an arithmetic number, because the mean of its divisors is an integer number (23461752291).

Almost surely, 2^46923504581 is an apocalyptic number.

It is an amenable number.

46923504581 is a deficient number, since it is larger than the sum of its proper divisors (1).

46923504581 is an equidigital number, since it uses as much as digits as its factorization.

46923504581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 46923504581 in words is "forty-six billion, nine hundred twenty-three million, five hundred four thousand, five hundred eighty-one".