147802941644693 has 2 divisors, whose sum is σ = 147802941644694. Its totient is φ = 147802941644692.

The previous prime is 147802941644573. The next prime is 147802941644773. The reversal of 147802941644693 is 396446149208741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138521553952324 + 9281387692369 = 11769518^2 + 3046537^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147802941644693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147802941647693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73901470822346 + 73901470822347.

It is an arithmetic number, because the mean of its divisors is an integer number (73901470822347).

Almost surely, 2^{147802941644693} is an apocalyptic number.

It is an amenable number.

147802941644693 is a deficient number, since it is larger than the sum of its proper divisors (1).

147802941644693 is an equidigital number, since it uses as much as digits as its factorization.

147802941644693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 250822656, while the sum is 68.

The spelling of 147802941644693 in words is "one hundred forty-seven trillion, eight hundred two billion, nine hundred forty-one million, six hundred forty-four thousand, six hundred ninety-three".