1454320620553 has 4 divisors (see below), whose sum is σ = 1454323114000. Its totient is φ = 1454318127108.

The previous prime is 1454320620517. The next prime is 1454320620587. The reversal of 1454320620553 is 3550260234541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1454320620553 - 2¹³ = 1454320612361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1454320620653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149026 + ... + 1711972.

It is an arithmetic number, because the mean of its divisors is an integer number (363580778500).

Almost surely, 2^{1454320620553} is an apocalyptic number.

It is an amenable number.

1454320620553 is a deficient number, since it is larger than the sum of its proper divisors (2493447).

1454320620553 is an equidigital number, since it uses as much as digits as its factorization.

1454320620553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493446.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 1454320620553 in words is "one trillion, four hundred fifty-four billion, three hundred twenty million, six hundred twenty thousand, five hundred fifty-three".