500545804477 has 2 divisors, whose sum is σ = 500545804478. Its totient is φ = 500545804476.

The previous prime is 500545804471. The next prime is 500545804481. The reversal of 500545804477 is 774408545005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 495692034916 + 4853769561 = 704054^2 + 69669^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500545804477 is a prime.

It is a super-2 number, since 2×500545804477² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 500545804477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500545804471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250272902238 + 250272902239.

It is an arithmetic number, because the mean of its divisors is an integer number (250272902239).

Almost surely, 2^500545804477 is an apocalyptic number.

It is an amenable number.

500545804477 is a deficient number, since it is larger than the sum of its proper divisors (1).

500545804477 is an equidigital number, since it uses as much as digits as its factorization.

500545804477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3136000, while the sum is 49.

The spelling of 500545804477 in words is "five hundred billion, five hundred forty-five million, eight hundred four thousand, four hundred seventy-seven".