946138348637 has 2 divisors, whose sum is σ = 946138348638. Its totient is φ = 946138348636.

The previous prime is 946138348627. The next prime is 946138348651. The reversal of 946138348637 is 736843831649.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 538659116356 + 407479232281 = 733934^2 + 638341^2 .

It is a cyclic number.

It is not a de Polignac number, because 946138348637 - 2²⁸ = 945869913181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 946138348637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (946138348627) 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, 473069174318 + 473069174319.

It is an arithmetic number, because the mean of its divisors is an integer number (473069174319).

Almost surely, 2^946138348637 is an apocalyptic number.

It is an amenable number.

946138348637 is a deficient number, since it is larger than the sum of its proper divisors (1).

946138348637 is an equidigital number, since it uses as much as digits as its factorization.

946138348637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62705664, while the sum is 62.

The spelling of 946138348637 in words is "nine hundred forty-six billion, one hundred thirty-eight million, three hundred forty-eight thousand, six hundred thirty-seven".