445890405433 has 6 divisors (see below), whose sum is σ = 490110941642. Its totient is φ = 405354913920.

The previous prime is 445890405427. The next prime is 445890405439. The reversal of 445890405433 is 334504098544.

It is an interprime number because it is at equal distance from previous prime (445890405427) and next prime (445890405439).

It can be written as a sum of positive squares in only one way, i.e., 325889131689 + 120001273744 = 570867^2 + 346412^2 .

It is not a de Polignac number, because 445890405433 - 2¹³ = 445890397241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445890405439) 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 in 5 ways as a sum of consecutive naturals, for example, 1842522216 + ... + 1842522457.

Almost surely, 2^445890405433 is an apocalyptic number.

It is an amenable number.

445890405433 is a deficient number, since it is larger than the sum of its proper divisors (44220536209).

445890405433 is a wasteful number, since it uses less digits than its factorization.

445890405433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685044695 (or 3685044684 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 445890405433 in words is "four hundred forty-five billion, eight hundred ninety million, four hundred five thousand, four hundred thirty-three".