505755153049 has 2 divisors, whose sum is σ = 505755153050. Its totient is φ = 505755153048.

The previous prime is 505755153037. The next prime is 505755153139. The reversal of 505755153049 is 940351557505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 405998352400 + 99756800649 = 637180^2 + 315843^2 .

It is a cyclic number.

It is not a de Polignac number, because 505755153049 - 2⁹ = 505755152537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505755152993 and 505755153011.

It is not a weakly prime, because it can be changed into another prime (505755154049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252877576524 + 252877576525.

It is an arithmetic number, because the mean of its divisors is an integer number (252877576525).

Almost surely, 2^505755153049 is an apocalyptic number.

It is an amenable number.

505755153049 is a deficient number, since it is larger than the sum of its proper divisors (1).

505755153049 is an equidigital number, since it uses as much as digits as its factorization.

505755153049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2362500, while the sum is 49.

The spelling of 505755153049 in words is "five hundred five billion, seven hundred fifty-five million, one hundred fifty-three thousand, forty-nine".