172119430097 has 2 divisors, whose sum is σ = 172119430098. Its totient is φ = 172119430096.

The previous prime is 172119430033. The next prime is 172119430141. The reversal of 172119430097 is 790034911271.

It is an a-pointer prime, because the next prime (172119430141) can be obtained adding 172119430097 to its sum of digits (44).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132269688721 + 39849741376 = 363689^2 + 199624^2 .

It is a cyclic number.

It is not a de Polignac number, because 172119430097 - 2⁶ = 172119430033 is a prime.

It is not a weakly prime, because it can be changed into another prime (172119430597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86059715048 + 86059715049.

It is an arithmetic number, because the mean of its divisors is an integer number (86059715049).

Almost surely, 2^172119430097 is an apocalyptic number.

It is an amenable number.

172119430097 is a deficient number, since it is larger than the sum of its proper divisors (1).

172119430097 is an equidigital number, since it uses as much as digits as its factorization.

172119430097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 44.

The spelling of 172119430097 in words is "one hundred seventy-two billion, one hundred nineteen million, four hundred thirty thousand, ninety-seven".