63992035985545 has 16 divisors (see below), whose sum is σ = 76854261559680. Its totient is φ = 51151100482944.

The previous prime is 63992035985531. The next prime is 63992035985587. The reversal of 63992035985545 is 54558953029936.

It is a cyclic number.

It is not a de Polignac number, because 63992035985545 - 2⁵ = 63992035985513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28617652 + ... + 30772618.

It is an arithmetic number, because the mean of its divisors is an integer number (4803391347480).

Almost surely, 2^{63992035985545} is an apocalyptic number.

It is an amenable number.

63992035985545 is a deficient number, since it is larger than the sum of its proper divisors (12862225574135).

63992035985545 is a wasteful number, since it uses less digits than its factorization.

63992035985545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159904.

The product of its (nonzero) digits is 1574640000, while the sum is 73.

The spelling of 63992035985545 in words is "sixty-three trillion, nine hundred ninety-two billion, thirty-five million, nine hundred eighty-five thousand, five hundred forty-five".