4187050351321 has 2 divisors, whose sum is σ = 4187050351322. Its totient is φ = 4187050351320.

The previous prime is 4187050351307. The next prime is 4187050351331. The reversal of 4187050351321 is 1231530507814.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3404250093721 + 782800257600 = 1845061^2 + 884760^2 .

It is a cyclic number.

It is not a de Polignac number, because 4187050351321 - 2²³ = 4187041962713 is a prime.

It is not a weakly prime, because it can be changed into another prime (4187050351331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2093525175660 + 2093525175661.

It is an arithmetic number, because the mean of its divisors is an integer number (2093525175661).

Almost surely, 2^{4187050351321} is an apocalyptic number.

It is an amenable number.

4187050351321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4187050351321 is an equidigital number, since it uses as much as digits as its factorization.

4187050351321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 4187050351321 in words is "four trillion, one hundred eighty-seven billion, fifty million, three hundred fifty-one thousand, three hundred twenty-one".