495620089 has 2 divisors, whose sum is σ = 495620090. Its totient is φ = 495620088.

The previous prime is 495620017. The next prime is 495620093. The reversal of 495620089 is 980026594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 432972864 + 62647225 = 20808^2 + 7915^2 .

It is a cyclic number.

It is not a de Polignac number, because 495620089 - 2⁹ = 495619577 is a prime.

It is not a weakly prime, because it can be changed into another prime (495620189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247810044 + 247810045.

It is an arithmetic number, because the mean of its divisors is an integer number (247810045).

Almost surely, 2^495620089 is an apocalyptic number.

It is an amenable number.

495620089 is a deficient number, since it is larger than the sum of its proper divisors (1).

495620089 is an equidigital number, since it uses as much as digits as its factorization.

495620089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 495620089 is about 22262.5265637124. The cubic root of 495620089 is about 791.3761672817.

The spelling of 495620089 in words is "four hundred ninety-five million, six hundred twenty thousand, eighty-nine".