503431410109 has 2 divisors, whose sum is σ = 503431410110. Its totient is φ = 503431410108.

The previous prime is 503431410101. The next prime is 503431410193. The reversal of 503431410109 is 901014134305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 501837644025 + 1593766084 = 708405^2 + 39922^2 .

It is a cyclic number.

It is not a de Polignac number, because 503431410109 - 2³ = 503431410101 is a prime.

It is a super-2 number, since 2×503431410109² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503431410101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251715705054 + 251715705055.

It is an arithmetic number, because the mean of its divisors is an integer number (251715705055).

Almost surely, 2^503431410109 is an apocalyptic number.

It is an amenable number.

503431410109 is a deficient number, since it is larger than the sum of its proper divisors (1).

503431410109 is an equidigital number, since it uses as much as digits as its factorization.

503431410109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 503431410109 in words is "five hundred three billion, four hundred thirty-one million, four hundred ten thousand, one hundred nine".