50153818369 has 4 divisors (see below), whose sum is σ = 52793493040. Its totient is φ = 47514143700.

The previous prime is 50153818333. The next prime is 50153818409. The reversal of 50153818369 is 96381835105.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50153818369 - 2³¹ = 48006334721 is a prime.

It is a super-2 number, since 2×50153818369² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50123818369) 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, 1319837307 + ... + 1319837344.

It is an arithmetic number, because the mean of its divisors is an integer number (13198373260).

Almost surely, 2^50153818369 is an apocalyptic number.

It is an amenable number.

50153818369 is a deficient number, since it is larger than the sum of its proper divisors (2639674671).

50153818369 is a wasteful number, since it uses less digits than its factorization.

50153818369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639674670.

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 50153818369 in words is "fifty billion, one hundred fifty-three million, eight hundred eighteen thousand, three hundred sixty-nine".