63892260691 has 16 divisors (see below), whose sum is σ = 73301792256. Its totient is φ = 54553464576.

The previous prime is 63892260673. The next prime is 63892260701. The reversal of 63892260691 is 19606229836.

It is a cyclic number.

It is not a de Polignac number, because 63892260691 - 2¹⁷ = 63892129619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63892260791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3961155 + ... + 3977251.

It is an arithmetic number, because the mean of its divisors is an integer number (4581362016).

Almost surely, 2^63892260691 is an apocalyptic number.

63892260691 is a deficient number, since it is larger than the sum of its proper divisors (9409531565).

63892260691 is a wasteful number, since it uses less digits than its factorization.

63892260691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18258.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 63892260691 in words is "sixty-three billion, eight hundred ninety-two million, two hundred sixty thousand, six hundred ninety-one".