50491296609 has 8 divisors (see below), whose sum is σ = 72500323392. Its totient is φ = 31071567120.

The previous prime is 50491296587. The next prime is 50491296613. The reversal of 50491296609 is 90669219405.

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

It is not a de Polignac number, because 50491296609 - 2¹³ = 50491288417 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50491296649) 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, 647324277 + ... + 647324354.

It is an arithmetic number, because the mean of its divisors is an integer number (9062540424).

Almost surely, 2^50491296609 is an apocalyptic number.

It is an amenable number.

50491296609 is a deficient number, since it is larger than the sum of its proper divisors (22009026783).

50491296609 is a wasteful number, since it uses less digits than its factorization.

50491296609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294648647.

The product of its (nonzero) digits is 1049760, while the sum is 51.

The spelling of 50491296609 in words is "fifty billion, four hundred ninety-one million, two hundred ninety-six thousand, six hundred nine".