421001300029 has 2 divisors, whose sum is σ = 421001300030. Its totient is φ = 421001300028.

The previous prime is 421001300017. The next prime is 421001300039. The reversal of 421001300029 is 920003100124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295332468025 + 125668832004 = 543445^2 + 354498^2 .

It is a cyclic number.

It is not a de Polignac number, because 421001300029 - 2³⁵ = 386641561661 is a prime.

It is a super-2 number, since 2×421001300029² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421001299982 and 421001300009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421001300039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210500650014 + 210500650015.

It is an arithmetic number, because the mean of its divisors is an integer number (210500650015).

Almost surely, 2^421001300029 is an apocalyptic number.

It is an amenable number.

421001300029 is a deficient number, since it is larger than the sum of its proper divisors (1).

421001300029 is an equidigital number, since it uses as much as digits as its factorization.

421001300029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 421001300029 in words is "four hundred twenty-one billion, one million, three hundred thousand, twenty-nine".