503040651077 has 2 divisors, whose sum is σ = 503040651078. Its totient is φ = 503040651076.

The previous prime is 503040651049. The next prime is 503040651089. The reversal of 503040651077 is 770156040305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 493746534241 + 9294116836 = 702671^2 + 96406^2 .

It is a cyclic number.

It is not a de Polignac number, because 503040651077 - 2⁸ = 503040650821 is a prime.

It is a super-2 number, since 2×503040651077² (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 503040651077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503040651007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251520325538 + 251520325539.

It is an arithmetic number, because the mean of its divisors is an integer number (251520325539).

Almost surely, 2^503040651077 is an apocalyptic number.

It is an amenable number.

503040651077 is a deficient number, since it is larger than the sum of its proper divisors (1).

503040651077 is an equidigital number, since it uses as much as digits as its factorization.

503040651077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 38.

The spelling of 503040651077 in words is "five hundred three billion, forty million, six hundred fifty-one thousand, seventy-seven".