465146641549 has 2 divisors, whose sum is σ = 465146641550. Its totient is φ = 465146641548.

The previous prime is 465146641541. The next prime is 465146641571. The reversal of 465146641549 is 945146641564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 274033404324 + 191113237225 = 523482^2 + 437165^2 .

It is a cyclic number.

It is not a de Polignac number, because 465146641549 - 2³ = 465146641541 is a prime.

It is a super-3 number, since 3×465146641549³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 465146641549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (465146641541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232573320774 + 232573320775.

It is an arithmetic number, because the mean of its divisors is an integer number (232573320775).

Almost surely, 2^465146641549 is an apocalyptic number.

It is an amenable number.

465146641549 is a deficient number, since it is larger than the sum of its proper divisors (1).

465146641549 is an equidigital number, since it uses as much as digits as its factorization.

465146641549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12441600, while the sum is 55.

The spelling of 465146641549 in words is "four hundred sixty-five billion, one hundred forty-six million, six hundred forty-one thousand, five hundred forty-nine".