63480691943 has 4 divisors (see below), whose sum is σ = 63481565640. Its totient is φ = 63479818248.

The previous prime is 63480691903. The next prime is 63480691957. The reversal of 63480691943 is 34919608436.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63480691943 - 2³⁰ = 62406950119 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 (63480691903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316880 + ... + 476837.

It is an arithmetic number, because the mean of its divisors is an integer number (15870391410).

Almost surely, 2^63480691943 is an apocalyptic number.

63480691943 is a deficient number, since it is larger than the sum of its proper divisors (873697).

63480691943 is an equidigital number, since it uses as much as digits as its factorization.

63480691943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873696.

The product of its (nonzero) digits is 3359232, while the sum is 53.

The spelling of 63480691943 in words is "sixty-three billion, four hundred eighty million, six hundred ninety-one thousand, nine hundred forty-three".