4014247421 has 2 divisors, whose sum is σ = 4014247422. Its totient is φ = 4014247420.

The previous prime is 4014247409. The next prime is 4014247429. The reversal of 4014247421 is 1247424104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3744828025 + 269419396 = 61195^2 + 16414^2 .

It is a cyclic number.

It is not a de Polignac number, because 4014247421 - 2⁶ = 4014247357 is a prime.

It is a super-2 number, since 2×4014247421² = 32228364714010302482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4014247429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2007123710 + 2007123711.

It is an arithmetic number, because the mean of its divisors is an integer number (2007123711).

Almost surely, 2^4014247421 is an apocalyptic number.

It is an amenable number.

4014247421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4014247421 is an equidigital number, since it uses as much as digits as its factorization.

4014247421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 4014247421 is about 63358.0888363909. The cubic root of 4014247421 is about 1589.2835163026.

The spelling of 4014247421 in words is "four billion, fourteen million, two hundred forty-seven thousand, four hundred twenty-one".