63519887341 has 4 divisors (see below), whose sum is σ = 63525829500. Its totient is φ = 63513945184.

The previous prime is 63519887329. The next prime is 63519887351. The reversal of 63519887341 is 14378891536.

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 27341945316 + 36177942025 = 165354^2 + 190205^2 .

It is a cyclic number.

It is not a de Polignac number, because 63519887341 - 2¹¹ = 63519885293 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 (63519887351) 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, 2955016 + ... + 2976433.

It is an arithmetic number, because the mean of its divisors is an integer number (15881457375).

Almost surely, 2^63519887341 is an apocalyptic number.

It is an amenable number.

63519887341 is a deficient number, since it is larger than the sum of its proper divisors (5942159).

63519887341 is a wasteful number, since it uses less digits than its factorization.

63519887341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5942158.

The product of its digits is 4354560, while the sum is 55.

The spelling of 63519887341 in words is "sixty-three billion, five hundred nineteen million, eight hundred eighty-seven thousand, three hundred forty-one".