421424012035393 has 2 divisors, whose sum is σ = 421424012035394. Its totient is φ = 421424012035392.

The previous prime is 421424012035283. The next prime is 421424012035409. The reversal of 421424012035393 is 393530210424124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 414620532746289 + 6803479289104 = 20362233^2 + 2608348^2 .

It is a cyclic number.

It is not a de Polignac number, because 421424012035393 - 2⁹ = 421424012034881 is a prime.

It is a super-2 number, since 2×421424012035393² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (421424012033393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210712006017696 + 210712006017697.

It is an arithmetic number, because the mean of its divisors is an integer number (210712006017697).

Almost surely, 2^{421424012035393} is an apocalyptic number.

It is an amenable number.

421424012035393 is a deficient number, since it is larger than the sum of its proper divisors (1).

421424012035393 is an equidigital number, since it uses as much as digits as its factorization.

421424012035393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 421424012035393 in words is "four hundred twenty-one trillion, four hundred twenty-four billion, twelve million, thirty-five thousand, three hundred ninety-three".