50426415165499 has 4 divisors (see below), whose sum is σ = 50465903354064. Its totient is φ = 50386926976936.

The previous prime is 50426415165473. The next prime is 50426415165563. The reversal of 50426415165499 is 99456151462405.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50426415165499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50426415165199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19744092367 + ... + 19744094920.

It is an arithmetic number, because the mean of its divisors is an integer number (12616475838516).

Almost surely, 2^{50426415165499} is an apocalyptic number.

50426415165499 is a deficient number, since it is larger than the sum of its proper divisors (39488188565).

50426415165499 is a wasteful number, since it uses less digits than its factorization.

50426415165499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39488188564.

The product of its (nonzero) digits is 46656000, while the sum is 61.

The spelling of 50426415165499 in words is "fifty trillion, four hundred twenty-six billion, four hundred fifteen million, one hundred sixty-five thousand, four hundred ninety-nine".