495901783129 has 2 divisors, whose sum is σ = 495901783130. Its totient is φ = 495901783128.

The previous prime is 495901783037. The next prime is 495901783141. The reversal of 495901783129 is 921387109594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 343683200025 + 152218583104 = 586245^2 + 390152^2 .

It is a cyclic number.

It is not a de Polignac number, because 495901783129 - 2¹³ = 495901774937 is a prime.

It is not a weakly prime, because it can be changed into another prime (495901781129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247950891564 + 247950891565.

It is an arithmetic number, because the mean of its divisors is an integer number (247950891565).

Almost surely, 2^495901783129 is an apocalyptic number.

It is an amenable number.

495901783129 is a deficient number, since it is larger than the sum of its proper divisors (1).

495901783129 is an equidigital number, since it uses as much as digits as its factorization.

495901783129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4898880, while the sum is 58.

The spelling of 495901783129 in words is "four hundred ninety-five billion, nine hundred one million, seven hundred eighty-three thousand, one hundred twenty-nine".