4453121501 has 2 divisors, whose sum is σ = 4453121502. Its totient is φ = 4453121500.

The previous prime is 4453121489. The next prime is 4453121507. The reversal of 4453121501 is 1051213544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3992976100 + 460145401 = 63190^2 + 21451^2 .

It is a cyclic number.

It is not a de Polignac number, because 4453121501 - 2²⁶ = 4386012637 is a prime.

It is a super-2 number, since 2×4453121501² = 39660582205336986002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4453121507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2226560750 + 2226560751.

It is an arithmetic number, because the mean of its divisors is an integer number (2226560751).

Almost surely, 2^4453121501 is an apocalyptic number.

It is an amenable number.

4453121501 is a deficient number, since it is larger than the sum of its proper divisors (1).

4453121501 is an equidigital number, since it uses as much as digits as its factorization.

4453121501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 4453121501 is about 66731.7128582805. The cubic root of 4453121501 is about 1645.2106604073.

The spelling of 4453121501 in words is "four billion, four hundred fifty-three million, one hundred twenty-one thousand, five hundred one".