512395441069 has 2 divisors, whose sum is σ = 512395441070. Its totient is φ = 512395441068.

The previous prime is 512395441013. The next prime is 512395441073. The reversal of 512395441069 is 960144593215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 349207719844 + 163187721225 = 590938^2 + 403965^2 .

It is a cyclic number.

It is not a de Polignac number, because 512395441069 - 2¹¹ = 512395439021 is a prime.

It is a super-2 number, since 2×512395441069² (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 (512395441079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256197720534 + 256197720535.

It is an arithmetic number, because the mean of its divisors is an integer number (256197720535).

Almost surely, 2^512395441069 is an apocalyptic number.

It is an amenable number.

512395441069 is a deficient number, since it is larger than the sum of its proper divisors (1).

512395441069 is an equidigital number, since it uses as much as digits as its factorization.

512395441069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 512395441069 in words is "five hundred twelve billion, three hundred ninety-five million, four hundred forty-one thousand, sixty-nine".