45266021573 has 2 divisors, whose sum is σ = 45266021574. Its totient is φ = 45266021572.

The previous prime is 45266021483. The next prime is 45266021579. The reversal of 45266021573 is 37512066254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45097619044 + 168402529 = 212362^2 + 12977^2 .

It is a cyclic number.

It is not a de Polignac number, because 45266021573 - 2¹⁶ = 45265956037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45266021573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45266021579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22633010786 + 22633010787.

It is an arithmetic number, because the mean of its divisors is an integer number (22633010787).

Almost surely, 2^45266021573 is an apocalyptic number.

It is an amenable number.

45266021573 is a deficient number, since it is larger than the sum of its proper divisors (1).

45266021573 is an equidigital number, since it uses as much as digits as its factorization.

45266021573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 45266021573 in words is "forty-five billion, two hundred sixty-six million, twenty-one thousand, five hundred seventy-three".