1454066521253 has 4 divisors (see below), whose sum is σ = 1493365616460. Its totient is φ = 1414767426048.

The previous prime is 1454066521231. The next prime is 1454066521283. The reversal of 1454066521253 is 3521256604541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1380526301764 + 73540219489 = 1174958^2 + 271183^2 .

It is a cyclic number.

It is not a de Polignac number, because 1454066521253 - 2¹⁰ = 1454066520229 is a prime.

It is a super-2 number, since 2×1454066521253² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1454066521283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19649547548 + ... + 19649547621.

It is an arithmetic number, because the mean of its divisors is an integer number (373341404115).

Almost surely, 2^{1454066521253} is an apocalyptic number.

It is an amenable number.

1454066521253 is a deficient number, since it is larger than the sum of its proper divisors (39299095207).

1454066521253 is an equidigital number, since it uses as much as digits as its factorization.

1454066521253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39299095206.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 1454066521253 in words is "one trillion, four hundred fifty-four billion, sixty-six million, five hundred twenty-one thousand, two hundred fifty-three".