172348884901 has 2 divisors, whose sum is σ = 172348884902. Its totient is φ = 172348884900.

The previous prime is 172348884881. The next prime is 172348884907. The reversal of 172348884901 is 109488843271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169744824001 + 2604060900 = 412001^2 + 51030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172348884901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172348884907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86174442450 + 86174442451.

It is an arithmetic number, because the mean of its divisors is an integer number (86174442451).

Almost surely, 2^172348884901 is an apocalyptic number.

It is an amenable number.

172348884901 is a deficient number, since it is larger than the sum of its proper divisors (1).

172348884901 is an equidigital number, since it uses as much as digits as its factorization.

172348884901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3096576, while the sum is 55.

The spelling of 172348884901 in words is "one hundred seventy-two billion, three hundred forty-eight million, eight hundred eighty-four thousand, nine hundred one".