4150456021 has 2 divisors, whose sum is σ = 4150456022. Its totient is φ = 4150456020.

The previous prime is 4150455983. The next prime is 4150456027. The reversal of 4150456021 is 1206540514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4132689796 + 17766225 = 64286^2 + 4215^2 .

It is a cyclic number.

It is not a de Polignac number, because 4150456021 - 2¹¹ = 4150453973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4150456027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2075228010 + 2075228011.

It is an arithmetic number, because the mean of its divisors is an integer number (2075228011).

Almost surely, 2^4150456021 is an apocalyptic number.

It is an amenable number.

4150456021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4150456021 is an equidigital number, since it uses as much as digits as its factorization.

4150456021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 4150456021 is about 64424.0329457882. The cubic root of 4150456021 is about 1607.0594346645.

Adding to 4150456021 its reverse (1206540514), we get a palindrome (5356996535).

The spelling of 4150456021 in words is "four billion, one hundred fifty million, four hundred fifty-six thousand, twenty-one".