172144063603 has 2 divisors, whose sum is σ = 172144063604. Its totient is φ = 172144063602.

The previous prime is 172144063589. The next prime is 172144063607. The reversal of 172144063603 is 306360441271.

It is a strong prime.

It is an emirp because it is prime and its reverse (306360441271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 172144063603 - 2⁵ = 172144063571 is a prime.

It is not a weakly prime, because it can be changed into another prime (172144063607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86072031801 + 86072031802.

It is an arithmetic number, because the mean of its divisors is an integer number (86072031802).

Almost surely, 2^172144063603 is an apocalyptic number.

172144063603 is a deficient number, since it is larger than the sum of its proper divisors (1).

172144063603 is an equidigital number, since it uses as much as digits as its factorization.

172144063603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 172144063603 in words is "one hundred seventy-two billion, one hundred forty-four million, sixty-three thousand, six hundred three".