193580082457 has 2 divisors, whose sum is σ = 193580082458. Its totient is φ = 193580082456.

The previous prime is 193580082433. The next prime is 193580082461. The reversal of 193580082457 is 754280085391.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190985606361 + 2594476096 = 437019^2 + 50936^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-193580082457 is a prime.

It is not a weakly prime, because it can be changed into another prime (193580082427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96790041228 + 96790041229.

It is an arithmetic number, because the mean of its divisors is an integer number (96790041229).

Almost surely, 2^193580082457 is an apocalyptic number.

It is an amenable number.

193580082457 is a deficient number, since it is larger than the sum of its proper divisors (1).

193580082457 is an equidigital number, since it uses as much as digits as its factorization.

193580082457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 193580082457 in words is "one hundred ninety-three billion, five hundred eighty million, eighty-two thousand, four hundred fifty-seven".