46004422021 has 2 divisors, whose sum is σ = 46004422022. Its totient is φ = 46004422020.

The previous prime is 46004421979. The next prime is 46004422043. The reversal of 46004422021 is 12022440064.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42991949025 + 3012472996 = 207345^2 + 54886^2 .

It is a cyclic number.

It is not a de Polignac number, because 46004422021 - 2⁷ = 46004421893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46004422921) 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, 23002211010 + 23002211011.

It is an arithmetic number, because the mean of its divisors is an integer number (23002211011).

Almost surely, 2^46004422021 is an apocalyptic number.

It is an amenable number.

46004422021 is a deficient number, since it is larger than the sum of its proper divisors (1).

46004422021 is an equidigital number, since it uses as much as digits as its factorization.

46004422021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 46004422021 its reverse (12022440064), we get a palindrome (58026862085).

The spelling of 46004422021 in words is "forty-six billion, four million, four hundred twenty-two thousand, twenty-one".