503041542649 has 2 divisors, whose sum is σ = 503041542650. Its totient is φ = 503041542648.

The previous prime is 503041542629. The next prime is 503041542659. The reversal of 503041542649 is 946245140305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 500283192249 + 2758350400 = 707307^2 + 52520^2 .

It is a cyclic number.

It is not a de Polignac number, because 503041542649 - 2¹⁵ = 503041509881 is a prime.

It is not a weakly prime, because it can be changed into another prime (503041542629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251520771324 + 251520771325.

It is an arithmetic number, because the mean of its divisors is an integer number (251520771325).

Almost surely, 2^503041542649 is an apocalyptic number.

It is an amenable number.

503041542649 is a deficient number, since it is larger than the sum of its proper divisors (1).

503041542649 is an equidigital number, since it uses as much as digits as its factorization.

503041542649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 503041542649 in words is "five hundred three billion, forty-one million, five hundred forty-two thousand, six hundred forty-nine".