147021942971 has 2 divisors, whose sum is σ = 147021942972. Its totient is φ = 147021942970.

The previous prime is 147021942953. The next prime is 147021942973. The reversal of 147021942971 is 179249120741.

It is a strong prime.

It is an emirp because it is prime and its reverse (179249120741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 147021942971 - 2¹⁴ = 147021926587 is a prime.

Together with 147021942973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (147021942973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73510971485 + 73510971486.

It is an arithmetic number, because the mean of its divisors is an integer number (73510971486).

Almost surely, 2^147021942971 is an apocalyptic number.

147021942971 is a deficient number, since it is larger than the sum of its proper divisors (1).

147021942971 is an equidigital number, since it uses as much as digits as its factorization.

147021942971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 47.

The spelling of 147021942971 in words is "one hundred forty-seven billion, twenty-one million, nine hundred forty-two thousand, nine hundred seventy-one".