50169151642 has 8 divisors (see below), whose sum is σ = 75281721300. Its totient is φ = 25075244544.

The previous prime is 50169151633. The next prime is 50169151717. The reversal of 50169151642 is 24615196105.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33514991041 + 16654160601 = 183071^2 + 129051^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 50169151595 and 50169151604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4658917 + ... + 4669672.

Almost surely, 2^50169151642 is an apocalyptic number.

50169151642 is a deficient number, since it is larger than the sum of its proper divisors (25112569658).

50169151642 is a wasteful number, since it uses less digits than its factorization.

50169151642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9331280.

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 50169151642 in words is "fifty billion, one hundred sixty-nine million, one hundred fifty-one thousand, six hundred forty-two".