63407112416545 has 4 divisors (see below), whose sum is σ = 76088534899860. Its totient is φ = 50725689933232.

The previous prime is 63407112416537. The next prime is 63407112416579. The reversal of 63407112416545 is 54561421170436.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34002695179489 + 29404417237056 = 5831183^2 + 5422584^2 .

It is a cyclic number.

It is not a de Polignac number, because 63407112416545 - 2³ = 63407112416537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6340711241650 + ... + 6340711241659.

It is an arithmetic number, because the mean of its divisors is an integer number (19022133724965).

Almost surely, 2^{63407112416545} is an apocalyptic number.

It is an amenable number.

63407112416545 is a deficient number, since it is larger than the sum of its proper divisors (12681422483315).

63407112416545 is a wasteful number, since it uses less digits than its factorization.

63407112416545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12681422483314.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 63407112416545 in words is "sixty-three trillion, four hundred seven billion, one hundred twelve million, four hundred sixteen thousand, five hundred forty-five".