50153818409 has 2 divisors, whose sum is σ = 50153818410. Its totient is φ = 50153818408.

The previous prime is 50153818333. The next prime is 50153818427. The reversal of 50153818409 is 90481835105.

50153818409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44206324009 + 5947494400 = 210253^2 + 77120^2 .

It is a cyclic number.

It is not a de Polignac number, because 50153818409 - 2¹² = 50153814313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50153818409.

It is not a weakly prime, because it can be changed into another prime (50153818909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25076909204 + 25076909205.

It is an arithmetic number, because the mean of its divisors is an integer number (25076909205).

Almost surely, 2^50153818409 is an apocalyptic number.

It is an amenable number.

50153818409 is a deficient number, since it is larger than the sum of its proper divisors (1).

50153818409 is an equidigital number, since it uses as much as digits as its factorization.

50153818409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 44.

The spelling of 50153818409 in words is "fifty billion, one hundred fifty-three million, eight hundred eighteen thousand, four hundred nine".