65394249356 has 12 divisors (see below), whose sum is σ = 114445084992. Its totient is φ = 32695653648.

The previous prime is 65394249341. The next prime is 65394249373.

It is a happy number.

65394249356 is nontrivially palindromic in base 10.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 264515 + ... + 448058.

It is an arithmetic number, because the mean of its divisors is an integer number (9537090416).

Almost surely, 2^65394249356 is an apocalyptic number.

It is an amenable number.

65394249356 is a deficient number, since it is larger than the sum of its proper divisors (49050835636).

65394249356 is a wasteful number, since it uses less digits than its factorization.

65394249356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735520 (or 735518 counting only the distinct ones).

The product of its digits is 20995200, while the sum is 56.

The spelling of 65394249356 in words is "sixty-five billion, three hundred ninety-four million, two hundred forty-nine thousand, three hundred fifty-six".