421201404007 has 2 divisors, whose sum is σ = 421201404008. Its totient is φ = 421201404006.

The previous prime is 421201403969. The next prime is 421201404067. The reversal of 421201404007 is 700404102124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 421201404007 - 2¹⁹ = 421200879719 is a prime.

It is a super-3 number, since 3×421201404007³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421201404067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210600702003 + 210600702004.

It is an arithmetic number, because the mean of its divisors is an integer number (210600702004).

Almost surely, 2^421201404007 is an apocalyptic number.

421201404007 is a deficient number, since it is larger than the sum of its proper divisors (1).

421201404007 is an equidigital number, since it uses as much as digits as its factorization.

421201404007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 25.

The spelling of 421201404007 in words is "four hundred twenty-one billion, two hundred one million, four hundred four thousand, seven".