147771419955959 has 2 divisors, whose sum is σ = 147771419955960. Its totient is φ = 147771419955958.

The previous prime is 147771419955947. The next prime is 147771419955961. The reversal of 147771419955959 is 959559914177741.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147771419955959 is a prime.

It is a Sophie Germain prime.

Together with 147771419955961, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147771419955919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73885709977979 + 73885709977980.

It is an arithmetic number, because the mean of its divisors is an integer number (73885709977980).

Almost surely, 2^{147771419955959} is an apocalyptic number.

147771419955959 is a deficient number, since it is larger than the sum of its proper divisors (1).

147771419955959 is an equidigital number, since it uses as much as digits as its factorization.

147771419955959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4500846000, while the sum is 83.

The spelling of 147771419955959 in words is "one hundred forty-seven trillion, seven hundred seventy-one billion, four hundred nineteen million, nine hundred fifty-five thousand, nine hundred fifty-nine".