505509141343 has 2 divisors, whose sum is σ = 505509141344. Its totient is φ = 505509141342.

The previous prime is 505509141307. The next prime is 505509141463. The reversal of 505509141343 is 343141905505.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505509141343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505509141296 and 505509141305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505509141043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252754570671 + 252754570672.

It is an arithmetic number, because the mean of its divisors is an integer number (252754570672).

Almost surely, 2^505509141343 is an apocalyptic number.

505509141343 is a deficient number, since it is larger than the sum of its proper divisors (1).

505509141343 is an equidigital number, since it uses as much as digits as its factorization.

505509141343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 505509141343 in words is "five hundred five billion, five hundred nine million, one hundred forty-one thousand, three hundred forty-three".