147349165021 has 2 divisors, whose sum is σ = 147349165022. Its totient is φ = 147349165020.

The previous prime is 147349164953. The next prime is 147349165037. The reversal of 147349165021 is 120561943741.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78406160121 + 68943004900 = 280011^2 + 262570^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147349165021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147349115021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73674582510 + 73674582511.

It is an arithmetic number, because the mean of its divisors is an integer number (73674582511).

Almost surely, 2^147349165021 is an apocalyptic number.

It is an amenable number.

147349165021 is a deficient number, since it is larger than the sum of its proper divisors (1).

147349165021 is an equidigital number, since it uses as much as digits as its factorization.

147349165021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 147349165021 in words is "one hundred forty-seven billion, three hundred forty-nine million, one hundred sixty-five thousand, twenty-one".