21400414301 has 6 divisors (see below), whose sum is σ = 24894359550. Its totient is φ = 18343212216.

The previous prime is 21400414289. The next prime is 21400414307. The reversal of 21400414301 is 10341400412.

It can be written as a sum of positive squares in only one way, i.e., 13029994201 + 8370420100 = 114149^2 + 91490^2 .

It is not a de Polignac number, because 21400414301 - 2³⁰ = 20326672477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21400414307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 218371526 + ... + 218371623.

It is an arithmetic number, because the mean of its divisors is an integer number (4149059925).

Almost surely, 2^21400414301 is an apocalyptic number.

It is an amenable number.

21400414301 is a deficient number, since it is larger than the sum of its proper divisors (3493945249).

21400414301 is an equidigital number, since it uses as much as digits as its factorization.

21400414301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436743163 (or 436743156 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 21400414301 its reverse (10341400412), we get a palindrome (31741814713).

The spelling of 21400414301 in words is "twenty-one billion, four hundred million, four hundred fourteen thousand, three hundred one".