10455005021 has 2 divisors, whose sum is σ = 10455005022. Its totient is φ = 10455005020.

The previous prime is 10455004969. The next prime is 10455005053. The reversal of 10455005021 is 12050055401.

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., 6766872121 + 3688132900 = 82261^2 + 60730^2 .

It is a cyclic number.

It is not a de Polignac number, because 10455005021 - 2¹⁴ = 10454988637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10455005081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5227502510 + 5227502511.

It is an arithmetic number, because the mean of its divisors is an integer number (5227502511).

Almost surely, 2^10455005021 is an apocalyptic number.

It is an amenable number.

10455005021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10455005021 is an equidigital number, since it uses as much as digits as its factorization.

10455005021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000, while the sum is 23.

The spelling of 10455005021 in words is "ten billion, four hundred fifty-five million, five thousand, twenty-one".