1028549521453 has 8 divisors (see below), whose sum is σ = 1073294251776. Its totient is φ = 983806890000.

The previous prime is 1028549521393. The next prime is 1028549521463. The reversal of 1028549521453 is 3541259458201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1028549521453 - 2¹³ = 1028549513261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1028549521397 and 1028549521406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028549521463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521068 + ... + 1525978.

It is an arithmetic number, because the mean of its divisors is an integer number (134161781472).

Almost surely, 2^{1028549521453} is an apocalyptic number.

It is an amenable number.

1028549521453 is a deficient number, since it is larger than the sum of its proper divisors (44744730323).

1028549521453 is a wasteful number, since it uses less digits than its factorization.

1028549521453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049435.

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 1028549521453 in words is "one trillion, twenty-eight billion, five hundred forty-nine million, five hundred twenty-one thousand, four hundred fifty-three".