50194819 has 2 divisors, whose sum is σ = 50194820. Its totient is φ = 50194818.

The previous prime is 50194817. The next prime is 50194841. The reversal of 50194819 is 91849105.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50194819 - 2¹ = 50194817 is a prime.

It is a super-2 number, since 2×50194819² = 5039039708885522, which contains 22 as substring.

Together with 50194817, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50194813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25097409 + 25097410.

It is an arithmetic number, because the mean of its divisors is an integer number (25097410).

Almost surely, 2^50194819 is an apocalyptic number.

50194819 is a deficient number, since it is larger than the sum of its proper divisors (1).

50194819 is an equidigital number, since it uses as much as digits as its factorization.

50194819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 50194819 is about 7084.8302026231. The cubic root of 50194819 is about 368.8810093147.

The spelling of 50194819 in words is "fifty million, one hundred ninety-four thousand, eight hundred nineteen".