45513504997 has 2 divisors, whose sum is σ = 45513504998. Its totient is φ = 45513504996.

The previous prime is 45513504979. The next prime is 45513505019. The reversal of 45513504997 is 79940531554.

45513504997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (45513504979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36547498276 + 8966006721 = 191174^2 + 94689^2 .

It is a cyclic number.

It is not a de Polignac number, because 45513504997 - 2¹¹ = 45513502949 is a prime.

It is a super-2 number, since 2×45513504997² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45513504937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22756752498 + 22756752499.

It is an arithmetic number, because the mean of its divisors is an integer number (22756752499).

Almost surely, 2^45513504997 is an apocalyptic number.

It is an amenable number.

45513504997 is a deficient number, since it is larger than the sum of its proper divisors (1).

45513504997 is an equidigital number, since it uses as much as digits as its factorization.

45513504997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402000, while the sum is 52.

The spelling of 45513504997 in words is "forty-five billion, five hundred thirteen million, five hundred four thousand, nine hundred ninety-seven".