1453220550618 has 16 divisors (see below), whose sum is σ = 3000197266176. Its totient is φ = 468780822720.

The previous prime is 1453220550539. The next prime is 1453220550619. The reversal of 1453220550618 is 8160550223541.

It is a super-2 number, since 2×1453220550618² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1453220550618.

It is not an unprimeable number, because it can be changed into a prime (1453220550619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3906506671 + ... + 3906507042.

It is an arithmetic number, because the mean of its divisors is an integer number (187512329136).

Almost surely, 2^{1453220550618} is an apocalyptic number.

1453220550618 is an abundant number, since it is smaller than the sum of its proper divisors (1546976715558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1453220550618 is a wasteful number, since it uses less digits than its factorization.

1453220550618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7813013749.

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 1453220550618 in words is "one trillion, four hundred fifty-three billion, two hundred twenty million, five hundred fifty thousand, six hundred eighteen".