4221601432751 has 2 divisors, whose sum is σ = 4221601432752. Its totient is φ = 4221601432750.

The previous prime is 4221601432673. The next prime is 4221601432753. The reversal of 4221601432751 is 1572341061224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4221601432751 - 2¹⁴ = 4221601416367 is a prime.

Together with 4221601432753, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4221601432753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110800716375 + 2110800716376.

It is an arithmetic number, because the mean of its divisors is an integer number (2110800716376).

Almost surely, 2^{4221601432751} is an apocalyptic number.

4221601432751 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221601432751 is an equidigital number, since it uses as much as digits as its factorization.

4221601432751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 38.

Adding to 4221601432751 its reverse (1572341061224), we get a palindrome (5793942493975).

The spelling of 4221601432751 in words is "four trillion, two hundred twenty-one billion, six hundred one million, four hundred thirty-two thousand, seven hundred fifty-one".