147221217260459 has 2 divisors, whose sum is σ = 147221217260460. Its totient is φ = 147221217260458.

The previous prime is 147221217260443. The next prime is 147221217260479. The reversal of 147221217260459 is 954062712122741.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 147221217260459 - 2⁴ = 147221217260443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147221217260459.

It is not a weakly prime, because it can be changed into another prime (147221217260479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73610608630229 + 73610608630230.

It is an arithmetic number, because the mean of its divisors is an integer number (73610608630230).

Almost surely, 2^{147221217260459} is an apocalyptic number.

147221217260459 is a deficient number, since it is larger than the sum of its proper divisors (1).

147221217260459 is an equidigital number, since it uses as much as digits as its factorization.

147221217260459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 147221217260459 in words is "one hundred forty-seven trillion, two hundred twenty-one billion, two hundred seventeen million, two hundred sixty thousand, four hundred fifty-nine".