45378362573 has 2 divisors, whose sum is σ = 45378362574. Its totient is φ = 45378362572.

The previous prime is 45378362521. The next prime is 45378362591. The reversal of 45378362573 is 37526387354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38847621604 + 6530740969 = 197098^2 + 80813^2 .

It is a cyclic number.

It is not a de Polignac number, because 45378362573 - 2⁸ = 45378362317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45378362503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22689181286 + 22689181287.

It is an arithmetic number, because the mean of its divisors is an integer number (22689181287).

Almost surely, 2^45378362573 is an apocalyptic number.

It is an amenable number.

45378362573 is a deficient number, since it is larger than the sum of its proper divisors (1).

45378362573 is an equidigital number, since it uses as much as digits as its factorization.

45378362573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12700800, while the sum is 53.

The spelling of 45378362573 in words is "forty-five billion, three hundred seventy-eight million, three hundred sixty-two thousand, five hundred seventy-three".