50378475898739 has 4 divisors (see below), whose sum is σ = 50378702483424. Its totient is φ = 50378249314056.

The previous prime is 50378475898717. The next prime is 50378475898783. The reversal of 50378475898739 is 93789857487305.

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-50378475898739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50378475898339) 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, 112958507 + ... + 113403620.

It is an arithmetic number, because the mean of its divisors is an integer number (12594675620856).

Almost surely, 2^{50378475898739} is an apocalyptic number.

50378475898739 is a deficient number, since it is larger than the sum of its proper divisors (226584685).

50378475898739 is a wasteful number, since it uses less digits than its factorization.

50378475898739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226584684.

The product of its (nonzero) digits is 12802406400, while the sum is 83.

The spelling of 50378475898739 in words is "fifty trillion, three hundred seventy-eight billion, four hundred seventy-five million, eight hundred ninety-eight thousand, seven hundred thirty-nine".