495866641 has 2 divisors, whose sum is σ = 495866642. Its totient is φ = 495866640.

The previous prime is 495866629. The next prime is 495866677. The reversal of 495866641 is 146668594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 470716416 + 25150225 = 21696^2 + 5015^2 .

It is a cyclic number.

It is not a de Polignac number, because 495866641 - 2²⁵ = 462312209 is a prime.

It is not a weakly prime, because it can be changed into another prime (495866611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247933320 + 247933321.

It is an arithmetic number, because the mean of its divisors is an integer number (247933321).

Almost surely, 2^495866641 is an apocalyptic number.

It is an amenable number.

495866641 is a deficient number, since it is larger than the sum of its proper divisors (1).

495866641 is an equidigital number, since it uses as much as digits as its factorization.

495866641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 49.

The square root of 495866641 is about 22268.0632521106. The cubic root of 495866641 is about 791.5073719658.

The spelling of 495866641 in words is "four hundred ninety-five million, eight hundred sixty-six thousand, six hundred forty-one".