10453011621365 has 4 divisors (see below), whose sum is σ = 12543613945644. Its totient is φ = 8362409297088.

The previous prime is 10453011621361. The next prime is 10453011621373. The reversal of 10453011621365 is 56312611035401.

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 3733837394596 + 6719174226769 = 1932314^2 + 2592137^2 .

It is a cyclic number.

It is not a de Polignac number, because 10453011621365 - 2² = 10453011621361 is a prime.

It is a super-2 number, since 2×10453011621365² (a number of 27 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 (10453011621361) 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, 1045301162132 + ... + 1045301162141.

It is an arithmetic number, because the mean of its divisors is an integer number (3135903486411).

Almost surely, 2^{10453011621365} is an apocalyptic number.

It is an amenable number.

10453011621365 is a deficient number, since it is larger than the sum of its proper divisors (2090602324279).

10453011621365 is an equidigital number, since it uses as much as digits as its factorization.

10453011621365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090602324278.

The product of its (nonzero) digits is 64800, while the sum is 38.

Adding to 10453011621365 its reverse (56312611035401), we get a palindrome (66765622656766).

The spelling of 10453011621365 in words is "ten trillion, four hundred fifty-three billion, eleven million, six hundred twenty-one thousand, three hundred sixty-five".