63134742719 has 4 divisors (see below), whose sum is σ = 63142889544. Its totient is φ = 63126595896.

The previous prime is 63134742703. The next prime is 63134742721. The reversal of 63134742719 is 91724743136.

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 63134742719 - 2⁴ = 63134742703 is a prime.

It is a super-2 number, since 2×63134742719² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63134742779) 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, 4061777 + ... + 4077290.

It is an arithmetic number, because the mean of its divisors is an integer number (15785722386).

Almost surely, 2^63134742719 is an apocalyptic number.

63134742719 is a deficient number, since it is larger than the sum of its proper divisors (8146825).

63134742719 is an equidigital number, since it uses as much as digits as its factorization.

63134742719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8146824.

The product of its digits is 762048, while the sum is 47.

The spelling of 63134742719 in words is "sixty-three billion, one hundred thirty-four million, seven hundred forty-two thousand, seven hundred nineteen".