50121666422 has 4 divisors (see below), whose sum is σ = 75182499636. Its totient is φ = 25060833210.

The previous prime is 50121666377. The next prime is 50121666449. The reversal of 50121666422 is 22466612105.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12530416604 + ... + 12530416607.

It is an arithmetic number, because the mean of its divisors is an integer number (18795624909).

Almost surely, 2^50121666422 is an apocalyptic number.

50121666422 is a deficient number, since it is larger than the sum of its proper divisors (25060833214).

50121666422 is a wasteful number, since it uses less digits than its factorization.

50121666422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25060833213.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 50121666422 in words is "fifty billion, one hundred twenty-one million, six hundred sixty-six thousand, four hundred twenty-two".