45207208819 has 2 divisors, whose sum is σ = 45207208820. Its totient is φ = 45207208818.

The previous prime is 45207208817. The next prime is 45207208831. The reversal of 45207208819 is 91880270254.

45207208819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45207208819 - 2¹ = 45207208817 is a prime.

It is a super-2 number, since 2×45207208819² (a number of 22 digits) contains 22 as substring.

Together with 45207208817, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45207208811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22603604409 + 22603604410.

It is an arithmetic number, because the mean of its divisors is an integer number (22603604410).

Almost surely, 2^45207208819 is an apocalyptic number.

45207208819 is a deficient number, since it is larger than the sum of its proper divisors (1).

45207208819 is an equidigital number, since it uses as much as digits as its factorization.

45207208819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 45207208819 in words is "forty-five billion, two hundred seven million, two hundred eight thousand, eight hundred nineteen".