507750043469 has 2 divisors, whose sum is σ = 507750043470. Its totient is φ = 507750043468.

The previous prime is 507750043397. The next prime is 507750043477. The reversal of 507750043469 is 964340057705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 490228226569 + 17521816900 = 700163^2 + 132370^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-507750043469 is a prime.

It is a super-2 number, since 2×507750043469² (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 (507750003469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253875021734 + 253875021735.

It is an arithmetic number, because the mean of its divisors is an integer number (253875021735).

Almost surely, 2^507750043469 is an apocalyptic number.

It is an amenable number.

507750043469 is a deficient number, since it is larger than the sum of its proper divisors (1).

507750043469 is an equidigital number, since it uses as much as digits as its factorization.

507750043469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3175200, while the sum is 50.

The spelling of 507750043469 in words is "five hundred seven billion, seven hundred fifty million, forty-three thousand, four hundred sixty-nine".