4221400041247 has 2 divisors, whose sum is σ = 4221400041248. Its totient is φ = 4221400041246.

The previous prime is 4221400041197. The next prime is 4221400041251. The reversal of 4221400041247 is 7421400041224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4221400041247 - 2³¹ = 4219252557599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4221400041847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110700020623 + 2110700020624.

It is an arithmetic number, because the mean of its divisors is an integer number (2110700020624).

Almost surely, 2^{4221400041247} is an apocalyptic number.

4221400041247 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221400041247 is an equidigital number, since it uses as much as digits as its factorization.

4221400041247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14336, while the sum is 31.

The spelling of 4221400041247 in words is "four trillion, two hundred twenty-one billion, four hundred million, forty-one thousand, two hundred forty-seven".