50451434819 has 8 divisors (see below), whose sum is σ = 51165953280. Its totient is φ = 49737025800.

The previous prime is 50451434807. The next prime is 50451434833. The reversal of 50451434819 is 91843415405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50451434819 is a prime.

It is a super-2 number, since 2×50451434819² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50451434819.

It is not an unprimeable number, because it can be changed into a prime (50451434899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1496984 + ... + 1530314.

It is an arithmetic number, because the mean of its divisors is an integer number (6395744160).

Almost surely, 2^50451434819 is an apocalyptic number.

50451434819 is a deficient number, since it is larger than the sum of its proper divisors (714518461).

50451434819 is a wasteful number, since it uses less digits than its factorization.

50451434819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54721.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 50451434819 in words is "fifty billion, four hundred fifty-one million, four hundred thirty-four thousand, eight hundred nineteen".