147449670661 has 2 divisors, whose sum is σ = 147449670662. Its totient is φ = 147449670660.

The previous prime is 147449670631. The next prime is 147449670691. The reversal of 147449670661 is 166076944741.

It is a balanced prime because it is at equal distance from previous prime (147449670631) and next prime (147449670691).

It can be written as a sum of positive squares in only one way, i.e., 140404586436 + 7045084225 = 374706^2 + 83935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147449670661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147449670611) 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, 73724835330 + 73724835331.

It is an arithmetic number, because the mean of its divisors is an integer number (73724835331).

Almost surely, 2^147449670661 is an apocalyptic number.

It is an amenable number.

147449670661 is a deficient number, since it is larger than the sum of its proper divisors (1).

147449670661 is an equidigital number, since it uses as much as digits as its factorization.

147449670661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 147449670661 in words is "one hundred forty-seven billion, four hundred forty-nine million, six hundred seventy thousand, six hundred sixty-one".