147213044893 has 2 divisors, whose sum is σ = 147213044894. Its totient is φ = 147213044892.

The previous prime is 147213044863. The next prime is 147213044903. The reversal of 147213044893 is 398440312741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131945477049 + 15267567844 = 363243^2 + 123562^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147213044893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147213044813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73606522446 + 73606522447.

It is an arithmetic number, because the mean of its divisors is an integer number (73606522447).

Almost surely, 2^147213044893 is an apocalyptic number.

It is an amenable number.

147213044893 is a deficient number, since it is larger than the sum of its proper divisors (1).

147213044893 is an equidigital number, since it uses as much as digits as its factorization.

147213044893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 147213044893 in words is "one hundred forty-seven billion, two hundred thirteen million, forty-four thousand, eight hundred ninety-three".