45505514993 has 2 divisors, whose sum is σ = 45505514994. Its totient is φ = 45505514992.

The previous prime is 45505514921. The next prime is 45505515047. The reversal of 45505514993 is 39941550554.

45505514993 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., 26441361664 + 19064153329 = 162608^2 + 138073^2 .

It is a cyclic number.

It is not a de Polignac number, because 45505514993 - 2¹⁴ = 45505498609 is a prime.

It is not a weakly prime, because it can be changed into another prime (45505514293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22752757496 + 22752757497.

It is an arithmetic number, because the mean of its divisors is an integer number (22752757497).

Almost surely, 2^45505514993 is an apocalyptic number.

It is an amenable number.

45505514993 is a deficient number, since it is larger than the sum of its proper divisors (1).

45505514993 is an equidigital number, since it uses as much as digits as its factorization.

45505514993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430000, while the sum is 50.

The spelling of 45505514993 in words is "forty-five billion, five hundred five million, five hundred fourteen thousand, nine hundred ninety-three".