50386678451 has 2 divisors, whose sum is σ = 50386678452. Its totient is φ = 50386678450.

The previous prime is 50386678393. The next prime is 50386678481. The reversal of 50386678451 is 15487668305.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50386678451 - 2⁶ = 50386678387 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 50386678393 and 50386678402.

It is not a weakly prime, because it can be changed into another prime (50386678481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25193339225 + 25193339226.

It is an arithmetic number, because the mean of its divisors is an integer number (25193339226).

Almost surely, 2^50386678451 is an apocalyptic number.

50386678451 is a deficient number, since it is larger than the sum of its proper divisors (1).

50386678451 is an equidigital number, since it uses as much as digits as its factorization.

50386678451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 50386678451 in words is "fifty billion, three hundred eighty-six million, six hundred seventy-eight thousand, four hundred fifty-one".