198029690525473 has 2 divisors, whose sum is σ = 198029690525474. Its totient is φ = 198029690525472.

The previous prime is 198029690525453. The next prime is 198029690525479. The reversal of 198029690525473 is 374525096920891.

198029690525473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138569907351184 + 59459783174289 = 11771572^2 + 7711017^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198029690525473 is a prime.

It is a super-2 number, since 2×198029690525473² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (198029690525479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99014845262736 + 99014845262737.

It is an arithmetic number, because the mean of its divisors is an integer number (99014845262737).

It is a 1-persistent number, because it is pandigital, but 2⋅198029690525473 = 396059381050946 is not.

Almost surely, 2^{198029690525473} is an apocalyptic number.

It is an amenable number.

198029690525473 is a deficient number, since it is larger than the sum of its proper divisors (1).

198029690525473 is an equidigital number, since it uses as much as digits as its factorization.

198029690525473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 293932800, while the sum is 70.

The spelling of 198029690525473 in words is "one hundred ninety-eight trillion, twenty-nine billion, six hundred ninety million, five hundred twenty-five thousand, four hundred seventy-three".