45378440533 has 2 divisors, whose sum is σ = 45378440534. Its totient is φ = 45378440532.

The previous prime is 45378440531. The next prime is 45378440573. The reversal of 45378440533 is 33504487354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34969748004 + 10408692529 = 187002^2 + 102023^2 .

It is a cyclic number.

It is not a de Polignac number, because 45378440533 - 2¹ = 45378440531 is a prime.

Together with 45378440531, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45378440531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22689220266 + 22689220267.

It is an arithmetic number, because the mean of its divisors is an integer number (22689220267).

Almost surely, 2^45378440533 is an apocalyptic number.

It is an amenable number.

45378440533 is a deficient number, since it is larger than the sum of its proper divisors (1).

45378440533 is an equidigital number, since it uses as much as digits as its factorization.

45378440533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 46.

The spelling of 45378440533 in words is "forty-five billion, three hundred seventy-eight million, four hundred forty thousand, five hundred thirty-three".