445120839953 has 2 divisors, whose sum is σ = 445120839954. Its totient is φ = 445120839952.

The previous prime is 445120839883. The next prime is 445120839971. The reversal of 445120839953 is 359938021544.

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., 445118477584 + 2362369 = 667172^2 + 1537^2 .

It is a cyclic number.

It is not a de Polignac number, because 445120839953 - 2¹⁸ = 445120577809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445120839895 and 445120839904.

It is not a weakly prime, because it can be changed into another prime (445120539953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222560419976 + 222560419977.

It is an arithmetic number, because the mean of its divisors is an integer number (222560419977).

Almost surely, 2^445120839953 is an apocalyptic number.

It is an amenable number.

445120839953 is a deficient number, since it is larger than the sum of its proper divisors (1).

445120839953 is an equidigital number, since it uses as much as digits as its factorization.

445120839953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 445120839953 in words is "four hundred forty-five billion, one hundred twenty million, eight hundred thirty-nine thousand, nine hundred fifty-three".