172054770401 has 2 divisors, whose sum is σ = 172054770402. Its totient is φ = 172054770400.

The previous prime is 172054770383. The next prime is 172054770421. The reversal of 172054770401 is 104077450271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96910803025 + 75143967376 = 311305^2 + 274124^2 .

It is a cyclic number.

It is not a de Polignac number, because 172054770401 - 2³⁰ = 170981028577 is a prime.

It is not a weakly prime, because it can be changed into another prime (172054770421) 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, 86027385200 + 86027385201.

It is an arithmetic number, because the mean of its divisors is an integer number (86027385201).

Almost surely, 2^172054770401 is an apocalyptic number.

It is an amenable number.

172054770401 is a deficient number, since it is larger than the sum of its proper divisors (1).

172054770401 is an equidigital number, since it uses as much as digits as its factorization.

172054770401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54880, while the sum is 38.

The spelling of 172054770401 in words is "one hundred seventy-two billion, fifty-four million, seven hundred seventy thousand, four hundred one".