45449812801 has 2 divisors, whose sum is σ = 45449812802. Its totient is φ = 45449812800.

The previous prime is 45449812799. The next prime is 45449812843. The reversal of 45449812801 is 10821894454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44984289025 + 465523776 = 212095^2 + 21576^2 .

It is a cyclic number.

It is not a de Polignac number, because 45449812801 - 2¹ = 45449812799 is a prime.

Together with 45449812799, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45449812871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22724906400 + 22724906401.

It is an arithmetic number, because the mean of its divisors is an integer number (22724906401).

Almost surely, 2^45449812801 is an apocalyptic number.

It is an amenable number.

45449812801 is a deficient number, since it is larger than the sum of its proper divisors (1).

45449812801 is an equidigital number, since it uses as much as digits as its factorization.

45449812801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 45449812801 in words is "forty-five billion, four hundred forty-nine million, eight hundred twelve thousand, eight hundred one".