63932045391 has 28 divisors (see below), whose sum is σ = 95885698440. Its totient is φ = 42607367280.

The previous prime is 63932045389. The next prime is 63932045393. The reversal of 63932045391 is 19354023936.

63932045391 is a `hidden beast` number, since 6 + 3 + 93 + 20 + 4 + 539 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (63932045389) and next prime (63932045393).

It is not a de Polignac number, because 63932045391 - 2¹ = 63932045389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63932045393) 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 27 ways as a sum of consecutive naturals, for example, 2510400 + ... + 2535738.

It is an arithmetic number, because the mean of its divisors is an integer number (3424489230).

Almost surely, 2^63932045391 is an apocalyptic number.

63932045391 is a deficient number, since it is larger than the sum of its proper divisors (31953653049).

63932045391 is an equidigital number, since it uses as much as digits as its factorization.

63932045391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28818 (or 28803 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 45.

The spelling of 63932045391 in words is "sixty-three billion, nine hundred thirty-two million, forty-five thousand, three hundred ninety-one".