50642665043 has 2 divisors, whose sum is σ = 50642665044. Its totient is φ = 50642665042.

The previous prime is 50642665039. The next prime is 50642665057. The reversal of 50642665043 is 34056624605.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50642665043 - 2² = 50642665039 is a prime.

It is not a weakly prime, because it can be changed into another prime (50642665033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25321332521 + 25321332522.

It is an arithmetic number, because the mean of its divisors is an integer number (25321332522).

Almost surely, 2^50642665043 is an apocalyptic number.

50642665043 is a deficient number, since it is larger than the sum of its proper divisors (1).

50642665043 is an equidigital number, since it uses as much as digits as its factorization.

50642665043 is an evil number, because the sum of its binary digits is even.

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

The spelling of 50642665043 in words is "fifty billion, six hundred forty-two million, six hundred sixty-five thousand, forty-three".