46385684381 has 2 divisors, whose sum is σ = 46385684382. Its totient is φ = 46385684380.

The previous prime is 46385684347. The next prime is 46385684473. The reversal of 46385684381 is 18348658364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40780167481 + 5605516900 = 201941^2 + 74870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46385684381 is a prime.

It is a super-2 number, since 2×46385684381² (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 (46385684321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23192842190 + 23192842191.

It is an arithmetic number, because the mean of its divisors is an integer number (23192842191).

Almost surely, 2^46385684381 is an apocalyptic number.

It is an amenable number.

46385684381 is a deficient number, since it is larger than the sum of its proper divisors (1).

46385684381 is an equidigital number, since it uses as much as digits as its factorization.

46385684381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13271040, while the sum is 56.

The spelling of 46385684381 in words is "forty-six billion, three hundred eighty-five million, six hundred eighty-four thousand, three hundred eighty-one".