50447849169 has 16 divisors (see below), whose sum is σ = 68413363200. Its totient is φ = 33057275856.

The previous prime is 50447849149. The next prime is 50447849209. The reversal of 50447849169 is 96194874405.

It is not a de Polignac number, because 50447849169 - 2¹² = 50447845073 is a prime.

It is a super-2 number, since 2×50447849169² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50447849149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1659892 + ... + 1690010.

It is an arithmetic number, because the mean of its divisors is an integer number (4275835200).

Almost surely, 2^50447849169 is an apocalyptic number.

50447849169 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

50447849169 is a deficient number, since it is larger than the sum of its proper divisors (17965514031).

50447849169 is a wasteful number, since it uses less digits than its factorization.

50447849169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39644.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 50447849169 in words is "fifty billion, four hundred forty-seven million, eight hundred forty-nine thousand, one hundred sixty-nine".