445107772553513 has 2 divisors, whose sum is σ = 445107772553514. Its totient is φ = 445107772553512.

The previous prime is 445107772553471. The next prime is 445107772553597. The reversal of 445107772553513 is 315355277701544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 385828906230784 + 59278866322729 = 19642528^2 + 7699277^2 .

It is a cyclic number.

It is not a de Polignac number, because 445107772553513 - 2⁶ = 445107772553449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (445107772550513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222553886276756 + 222553886276757.

It is an arithmetic number, because the mean of its divisors is an integer number (222553886276757).

Almost surely, 2^{445107772553513} is an apocalyptic number.

It is an amenable number.

445107772553513 is a deficient number, since it is larger than the sum of its proper divisors (1).

445107772553513 is an equidigital number, since it uses as much as digits as its factorization.

445107772553513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61740000, while the sum is 59.

The spelling of 445107772553513 in words is "four hundred forty-five trillion, one hundred seven billion, seven hundred seventy-two million, five hundred fifty-three thousand, five hundred thirteen".