495623670436449 has 27 divisors (see below), whose sum is σ = 743400439997137. Its totient is φ = 330414578110188.

The previous prime is 495623670436387. The next prime is 495623670436483. The reversal of 495623670436449 is 944634076326594.

The square root of 495623670436449 is 22262607.

It is a perfect power (a square), and thus also a powerful number.

495623670436449 is a `hidden beast` number, since 4 + 9 + 56 + 2 + 36 + 70 + 4 + 36 + 449 = 666.

It is a tau number, because it is divible by the number of its divisors (27).

It is not a de Polignac number, because 495623670436449 - 2²⁷ = 495623536218721 is a prime.

It is a super-2 number, since 2×495623670436449² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495623670436549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1803133744 + ... + 1803408590.

Almost surely, 2^{495623670436449} is an apocalyptic number.

495623670436449 is the 22262607-th square number.

495623670436449 is the 11131304-th centered octagonal number.

It is an amenable number.

495623670436449 is a deficient number, since it is larger than the sum of its proper divisors (247776769560688).

495623670436449 is an frugal number, since it uses more digits than its factorization.

495623670436449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549718 (or 274850 counting only the distinct ones).

The product of its (nonzero) digits is 2821754880, while the sum is 72.

The spelling of 495623670436449 in words is "four hundred ninety-five trillion, six hundred twenty-three billion, six hundred seventy million, four hundred thirty-six thousand, four hundred forty-nine".