147993320473 has 2 divisors, whose sum is σ = 147993320474. Its totient is φ = 147993320472.

The previous prime is 147993320467. The next prime is 147993320477. The reversal of 147993320473 is 374023399741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103711693849 + 44281626624 = 322043^2 + 210432^2 .

It is a cyclic number.

It is not a de Polignac number, because 147993320473 - 2⁵ = 147993320441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147993320473.

It is not a weakly prime, because it can be changed into another prime (147993320477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73996660236 + 73996660237.

It is an arithmetic number, because the mean of its divisors is an integer number (73996660237).

Almost surely, 2^147993320473 is an apocalyptic number.

It is an amenable number.

147993320473 is a deficient number, since it is larger than the sum of its proper divisors (1).

147993320473 is an equidigital number, since it uses as much as digits as its factorization.

147993320473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3429216, while the sum is 52.

The spelling of 147993320473 in words is "one hundred forty-seven billion, nine hundred ninety-three million, three hundred twenty thousand, four hundred seventy-three".