4021234111049 has 2 divisors, whose sum is σ = 4021234111050. Its totient is φ = 4021234111048.

The previous prime is 4021234111033. The next prime is 4021234111067. The reversal of 4021234111049 is 9401114321204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2126440565824 + 1894793545225 = 1458232^2 + 1376515^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021234111049 - 2⁴ = 4021234111033 is a prime.

It is not a weakly prime, because it can be changed into another prime (4021234111249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010617055524 + 2010617055525.

It is an arithmetic number, because the mean of its divisors is an integer number (2010617055525).

Almost surely, 2^{4021234111049} is an apocalyptic number.

It is an amenable number.

4021234111049 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021234111049 is an equidigital number, since it uses as much as digits as its factorization.

4021234111049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 4021234111049 in words is "four trillion, twenty-one billion, two hundred thirty-four million, one hundred eleven thousand, forty-nine".