50426262421 has 2 divisors, whose sum is σ = 50426262422. Its totient is φ = 50426262420.

The previous prime is 50426262373. The next prime is 50426262463. The reversal of 50426262421 is 12426262405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40986002500 + 9440259921 = 202450^2 + 97161^2 .

It is a cyclic number.

It is not a de Polignac number, because 50426262421 - 2¹⁹ = 50425738133 is a prime.

It is a super-3 number, since 3×50426262421³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50426262221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25213131210 + 25213131211.

It is an arithmetic number, because the mean of its divisors is an integer number (25213131211).

Almost surely, 2^50426262421 is an apocalyptic number.

It is an amenable number.

50426262421 is a deficient number, since it is larger than the sum of its proper divisors (1).

50426262421 is an equidigital number, since it uses as much as digits as its factorization.

50426262421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 50426262421 in words is "fifty billion, four hundred twenty-six million, two hundred sixty-two thousand, four hundred twenty-one".