50648109405 has 16 divisors (see below), whose sum is σ = 81067198464. Its totient is φ = 27002250560.

The previous prime is 50648109383. The next prime is 50648109433. The reversal of 50648109405 is 50490184605.

It is not a de Polignac number, because 50648109405 - 2¹³ = 50648101213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588006 + ... + 668615.

It is an arithmetic number, because the mean of its divisors is an integer number (5066699904).

Almost surely, 2^50648109405 is an apocalyptic number.

It is an amenable number.

50648109405 is a deficient number, since it is larger than the sum of its proper divisors (30419089059).

50648109405 is a wasteful number, since it uses less digits than its factorization.

50648109405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259316.

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 50648109405 in words is "fifty billion, six hundred forty-eight million, one hundred nine thousand, four hundred five".