4021403420117 has 2 divisors, whose sum is σ = 4021403420118. Its totient is φ = 4021403420116.

The previous prime is 4021403420107. The next prime is 4021403420173. The reversal of 4021403420117 is 7110243041204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3951154038001 + 70249382116 = 1987751^2 + 265046^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021403420117 - 2¹² = 4021403416021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4021403420117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021403420107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010701710058 + 2010701710059.

It is an arithmetic number, because the mean of its divisors is an integer number (2010701710059).

Almost surely, 2^{4021403420117} is an apocalyptic number.

It is an amenable number.

4021403420117 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021403420117 is an equidigital number, since it uses as much as digits as its factorization.

4021403420117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

The spelling of 4021403420117 in words is "four trillion, twenty-one billion, four hundred three million, four hundred twenty thousand, one hundred seventeen".