4237341421 has 2 divisors, whose sum is σ = 4237341422. Its totient is φ = 4237341420.

The previous prime is 4237341401. The next prime is 4237341509. The reversal of 4237341421 is 1241437324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3670663396 + 566678025 = 60586^2 + 23805^2 .

It is a cyclic number.

It is not a de Polignac number, because 4237341421 - 2⁹ = 4237340909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4237341401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2118670710 + 2118670711.

It is an arithmetic number, because the mean of its divisors is an integer number (2118670711).

Almost surely, 2^4237341421 is an apocalyptic number.

It is an amenable number.

4237341421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4237341421 is an equidigital number, since it uses as much as digits as its factorization.

4237341421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 31.

The square root of 4237341421 is about 65094.8647821009. The cubic root of 4237341421 is about 1618.1961098835.

Adding to 4237341421 its reverse (1241437324), we get a palindrome (5478778745).

The spelling of 4237341421 in words is "four billion, two hundred thirty-seven million, three hundred forty-one thousand, four hundred twenty-one".