50504963679487 has 2 divisors, whose sum is σ = 50504963679488. Its totient is φ = 50504963679486.

The previous prime is 50504963679439. The next prime is 50504963679491. The reversal of 50504963679487 is 78497636940505.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50504963679487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50504963679427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25252481839743 + 25252481839744.

It is an arithmetic number, because the mean of its divisors is an integer number (25252481839744).

Almost surely, 2^{50504963679487} is an apocalyptic number.

50504963679487 is a deficient number, since it is larger than the sum of its proper divisors (1).

50504963679487 is an equidigital number, since it uses as much as digits as its factorization.

50504963679487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1371686400, while the sum is 73.

The spelling of 50504963679487 in words is "fifty trillion, five hundred four billion, nine hundred sixty-three million, six hundred seventy-nine thousand, four hundred eighty-seven".