45418920997 has 2 divisors, whose sum is σ = 45418920998. Its totient is φ = 45418920996.

The previous prime is 45418920959. The next prime is 45418921019. The reversal of 45418920997 is 79902981454.

45418920997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29932114081 + 15486806916 = 173009^2 + 124446^2 .

It is a cyclic number.

It is not a de Polignac number, because 45418920997 - 2¹¹ = 45418918949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45418920907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22709460498 + 22709460499.

It is an arithmetic number, because the mean of its divisors is an integer number (22709460499).

Almost surely, 2^45418920997 is an apocalyptic number.

It is an amenable number.

45418920997 is a deficient number, since it is larger than the sum of its proper divisors (1).

45418920997 is an equidigital number, since it uses as much as digits as its factorization.

45418920997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 45418920997 in words is "forty-five billion, four hundred eighteen million, nine hundred twenty thousand, nine hundred ninety-seven".