146017720637 has 2 divisors, whose sum is σ = 146017720638. Its totient is φ = 146017720636.

The previous prime is 146017720633. The next prime is 146017720663. The reversal of 146017720637 is 736027710641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81547940356 + 64469780281 = 285566^2 + 253909^2 .

It is an emirp because it is prime and its reverse (736027710641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146017720637 - 2² = 146017720633 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146017720633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73008860318 + 73008860319.

It is an arithmetic number, because the mean of its divisors is an integer number (73008860319).

Almost surely, 2^146017720637 is an apocalyptic number.

It is an amenable number.

146017720637 is a deficient number, since it is larger than the sum of its proper divisors (1).

146017720637 is an equidigital number, since it uses as much as digits as its factorization.

146017720637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 146017720637 in words is "one hundred forty-six billion, seventeen million, seven hundred twenty thousand, six hundred thirty-seven".