557195761469 has 2 divisors, whose sum is σ = 557195761470. Its totient is φ = 557195761468.

The previous prime is 557195761399. The next prime is 557195761477. The reversal of 557195761469 is 964167591755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 533491464025 + 23704297444 = 730405^2 + 153962^2 .

It is a cyclic number.

It is not a de Polignac number, because 557195761469 - 2¹² = 557195757373 is a prime.

It is a super-3 number, since 3×557195761469³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557195761489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278597880734 + 278597880735.

It is an arithmetic number, because the mean of its divisors is an integer number (278597880735).

Almost surely, 2^557195761469 is an apocalyptic number.

It is an amenable number.

557195761469 is a deficient number, since it is larger than the sum of its proper divisors (1).

557195761469 is an equidigital number, since it uses as much as digits as its factorization.

557195761469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71442000, while the sum is 65.

The spelling of 557195761469 in words is "five hundred fifty-seven billion, one hundred ninety-five million, seven hundred sixty-one thousand, four hundred sixty-nine".