4021403311273 has 2 divisors, whose sum is σ = 4021403311274. Its totient is φ = 4021403311272.

The previous prime is 4021403311249. The next prime is 4021403311279. The reversal of 4021403311273 is 3721133041204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3377056756329 + 644346554944 = 1837677^2 + 802712^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021403311273 - 2¹³ = 4021403303081 is a prime.

It is not a weakly prime, because it can be changed into another prime (4021403311279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010701655636 + 2010701655637.

It is an arithmetic number, because the mean of its divisors is an integer number (2010701655637).

Almost surely, 2^{4021403311273} is an apocalyptic number.

It is an amenable number.

4021403311273 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021403311273 is an equidigital number, since it uses as much as digits as its factorization.

4021403311273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 4021403311273 its reverse (3721133041204), we get a palindrome (7742536352477).

The spelling of 4021403311273 in words is "four trillion, twenty-one billion, four hundred three million, three hundred eleven thousand, two hundred seventy-three".