500412511549 has 2 divisors, whose sum is σ = 500412511550. Its totient is φ = 500412511548.

The previous prime is 500412511541. The next prime is 500412511631. The reversal of 500412511549 is 945115214005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 468701805924 + 31710705625 = 684618^2 + 178075^2 .

It is a cyclic number.

It is not a de Polignac number, because 500412511549 - 2³ = 500412511541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500412511541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250206255774 + 250206255775.

It is an arithmetic number, because the mean of its divisors is an integer number (250206255775).

Almost surely, 2^500412511549 is an apocalyptic number.

It is an amenable number.

500412511549 is a deficient number, since it is larger than the sum of its proper divisors (1).

500412511549 is an equidigital number, since it uses as much as digits as its factorization.

500412511549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 37.

The spelling of 500412511549 in words is "five hundred billion, four hundred twelve million, five hundred eleven thousand, five hundred forty-nine".