946326635381 has 2 divisors, whose sum is σ = 946326635382. Its totient is φ = 946326635380.

The previous prime is 946326635357. The next prime is 946326635473. The reversal of 946326635381 is 183536623649.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 943870540900 + 2456094481 = 971530^2 + 49559^2 .

It is a cyclic number.

It is not a de Polignac number, because 946326635381 - 2¹⁴ = 946326618997 is a prime.

It is a super-2 number, since 2×946326635381² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (946326635321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473163317690 + 473163317691.

It is an arithmetic number, because the mean of its divisors is an integer number (473163317691).

Almost surely, 2^946326635381 is an apocalyptic number.

It is an amenable number.

946326635381 is a deficient number, since it is larger than the sum of its proper divisors (1).

946326635381 is an equidigital number, since it uses as much as digits as its factorization.

946326635381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16796160, while the sum is 56.

The spelling of 946326635381 in words is "nine hundred forty-six billion, three hundred twenty-six million, six hundred thirty-five thousand, three hundred eighty-one".