524572221469 has 2 divisors, whose sum is σ = 524572221470. Its totient is φ = 524572221468.

The previous prime is 524572221431. The next prime is 524572221541. The reversal of 524572221469 is 964122275425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326692264900 + 197879956569 = 571570^2 + 444837^2 .

It is a cyclic number.

It is not a de Polignac number, because 524572221469 - 2²¹ = 524570124317 is a prime.

It is a super-2 number, since 2×524572221469² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (524572221869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262286110734 + 262286110735.

It is an arithmetic number, because the mean of its divisors is an integer number (262286110735).

Almost surely, 2^524572221469 is an apocalyptic number.

It is an amenable number.

524572221469 is a deficient number, since it is larger than the sum of its proper divisors (1).

524572221469 is an equidigital number, since it uses as much as digits as its factorization.

524572221469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 49.

The spelling of 524572221469 in words is "five hundred twenty-four billion, five hundred seventy-two million, two hundred twenty-one thousand, four hundred sixty-nine".