193475955457 has 2 divisors, whose sum is σ = 193475955458. Its totient is φ = 193475955456.

The previous prime is 193475955391. The next prime is 193475955467. The reversal of 193475955457 is 754559574391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179152413696 + 14323541761 = 423264^2 + 119681^2 .

It is a cyclic number.

It is not a de Polignac number, because 193475955457 - 2³¹ = 191328471809 is a prime.

It is not a weakly prime, because it can be changed into another prime (193475955467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96737977728 + 96737977729.

It is an arithmetic number, because the mean of its divisors is an integer number (96737977729).

Almost surely, 2^193475955457 is an apocalyptic number.

It is an amenable number.

193475955457 is a deficient number, since it is larger than the sum of its proper divisors (1).

193475955457 is an equidigital number, since it uses as much as digits as its factorization.

193475955457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119070000, while the sum is 64.

The spelling of 193475955457 in words is "one hundred ninety-three billion, four hundred seventy-five million, nine hundred fifty-five thousand, four hundred fifty-seven".