63134446505 has 32 divisors (see below), whose sum is σ = 85511994624. Its totient is φ = 44398607616.

The previous prime is 63134446499. The next prime is 63134446537. The reversal of 63134446505 is 50564443136.

It is a cyclic number.

It is not a de Polignac number, because 63134446505 - 2¹⁰ = 63134445481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246347 + ... + 432383.

It is an arithmetic number, because the mean of its divisors is an integer number (2672249832).

Almost surely, 2^63134446505 is an apocalyptic number.

63134446505 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63134446505 is a deficient number, since it is larger than the sum of its proper divisors (22377548119).

63134446505 is a wasteful number, since it uses less digits than its factorization.

63134446505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186305.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 63134446505 in words is "sixty-three billion, one hundred thirty-four million, four hundred forty-six thousand, five hundred five".