21420142414419 has 32 divisors (see below), whose sum is σ = 34099068616704. Its totient is φ = 11702526279840.

The previous prime is 21420142414417. The next prime is 21420142414427. The reversal of 21420142414419 is 91441424102412.

It is not a de Polignac number, because 21420142414419 - 2¹ = 21420142414417 is a prime.

It is a super-2 number, since 2×21420142414419² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21420142414417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198159489 + ... + 198267554.

It is an arithmetic number, because the mean of its divisors is an integer number (1065595894272).

Almost surely, 2^{21420142414419} is an apocalyptic number.

21420142414419 is a deficient number, since it is larger than the sum of its proper divisors (12678926202285).

21420142414419 is a wasteful number, since it uses less digits than its factorization.

21420142414419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396427167.

The product of its (nonzero) digits is 73728, while the sum is 39.

The spelling of 21420142414419 in words is "twenty-one trillion, four hundred twenty billion, one hundred forty-two million, four hundred fourteen thousand, four hundred nineteen".