1090645421353 has 4 divisors (see below), whose sum is σ = 1092884940160. Its totient is φ = 1088405902548.

The previous prime is 1090645421339. The next prime is 1090645421413. The reversal of 1090645421353 is 3531245460901.

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 1090645421353 - 2²⁹ = 1090108550441 is a prime.

It is a super-3 number, since 3×1090645421353³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1090645421753) 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, 1119758673 + ... + 1119759646.

It is an arithmetic number, because the mean of its divisors is an integer number (273221235040).

Almost surely, 2^{1090645421353} is an apocalyptic number.

It is an amenable number.

1090645421353 is a deficient number, since it is larger than the sum of its proper divisors (2239518807).

1090645421353 is an equidigital number, since it uses as much as digits as its factorization.

1090645421353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239518806.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 1090645421353 in words is "one trillion, ninety billion, six hundred forty-five million, four hundred twenty-one thousand, three hundred fifty-three".