63574965689389 has 32 divisors (see below), whose sum is σ = 81929861406720. Its totient is φ = 47876030164800.

The previous prime is 63574965689387. The next prime is 63574965689393. The reversal of 63574965689389 is 98398656947536.

It is a cyclic number.

It is not a de Polignac number, because 63574965689389 - 2¹ = 63574965689387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63574965689387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16256194 + ... + 19784179.

It is an arithmetic number, because the mean of its divisors is an integer number (2560308168960).

Almost surely, 2^{63574965689389} is an apocalyptic number.

It is an amenable number.

63574965689389 is a deficient number, since it is larger than the sum of its proper divisors (18354895717331).

63574965689389 is a wasteful number, since it uses less digits than its factorization.

63574965689389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36041161.

The product of its digits is 63489484800, while the sum is 88.

The spelling of 63574965689389 in words is "sixty-three trillion, five hundred seventy-four billion, nine hundred sixty-five million, six hundred eighty-nine thousand, three hundred eighty-nine".