50434126421 has 4 divisors (see below), whose sum is σ = 57639001632. Its totient is φ = 43229251212.

The previous prime is 50434126397. The next prime is 50434126441. The reversal of 50434126421 is 12462143405.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12462143405 = 5 ⋅2492428681.

It is a de Polignac number, because none of the positive numbers 2^k-50434126421 is a prime.

It is a super-2 number, since 2×50434126421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50434126441) 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, 3602437595 + ... + 3602437608.

It is an arithmetic number, because the mean of its divisors is an integer number (14409750408).

Almost surely, 2^50434126421 is an apocalyptic number.

It is an amenable number.

50434126421 is a deficient number, since it is larger than the sum of its proper divisors (7204875211).

50434126421 is an equidigital number, since it uses as much as digits as its factorization.

50434126421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7204875210.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 50434126421 its reverse (12462143405), we get a palindrome (62896269826).

The spelling of 50434126421 in words is "fifty billion, four hundred thirty-four million, one hundred twenty-six thousand, four hundred twenty-one".