50281970009 has 4 divisors (see below), whose sum is σ = 50331607716. Its totient is φ = 50232332304.

The previous prime is 50281969981. The next prime is 50281970021. The reversal of 50281970009 is 90007918205.

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 7546744384 + 42735225625 = 86872^2 + 206725^2 .

It is a cyclic number.

It is not a de Polignac number, because 50281970009 - 2⁸ = 50281969753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50281970059) 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, 24817334 + ... + 24819359.

It is an arithmetic number, because the mean of its divisors is an integer number (12582901929).

Almost surely, 2^50281970009 is an apocalyptic number.

It is an amenable number.

50281970009 is a deficient number, since it is larger than the sum of its proper divisors (49637707).

50281970009 is a wasteful number, since it uses less digits than its factorization.

50281970009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49637706.

The product of its (nonzero) digits is 45360, while the sum is 41.

The spelling of 50281970009 in words is "fifty billion, two hundred eighty-one million, nine hundred seventy thousand, nine".