45525551219 has 2 divisors, whose sum is σ = 45525551220. Its totient is φ = 45525551218.

The previous prime is 45525551191. The next prime is 45525551231. The reversal of 45525551219 is 91215552554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45525551219 - 2³² = 41230583923 is a prime.

It is a super-2 number, since 2×45525551219² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45525551219.

It is not a weakly prime, because it can be changed into another prime (45525551119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22762775609 + 22762775610.

It is an arithmetic number, because the mean of its divisors is an integer number (22762775610).

Almost surely, 2^45525551219 is an apocalyptic number.

45525551219 is a deficient number, since it is larger than the sum of its proper divisors (1).

45525551219 is an equidigital number, since it uses as much as digits as its factorization.

45525551219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 450000, while the sum is 44.

The spelling of 45525551219 in words is "forty-five billion, five hundred twenty-five million, five hundred fifty-one thousand, two hundred nineteen".