503505400007 has 2 divisors, whose sum is σ = 503505400008. Its totient is φ = 503505400006.

The previous prime is 503505400003. The next prime is 503505400157. The reversal of 503505400007 is 700004505305.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 503505400007 - 2² = 503505400003 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503505400003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251752700003 + 251752700004.

It is an arithmetic number, because the mean of its divisors is an integer number (251752700004).

Almost surely, 2^503505400007 is an apocalyptic number.

503505400007 is a deficient number, since it is larger than the sum of its proper divisors (1).

503505400007 is an equidigital number, since it uses as much as digits as its factorization.

503505400007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10500, while the sum is 29.

The spelling of 503505400007 in words is "five hundred three billion, five hundred five million, four hundred thousand, seven".