1088493793021 has 4 divisors (see below), whose sum is σ = 1103404666972. Its totient is φ = 1073582919072.

The previous prime is 1088493792979. The next prime is 1088493793039. The reversal of 1088493793021 is 1203973948801.

It is a happy number.

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 331966107225 + 756527685796 = 576165^2 + 869786^2 .

It is a cyclic number.

It is not a de Polignac number, because 1088493793021 - 2¹⁷ = 1088493661949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1088493797021) 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, 7455436866 + ... + 7455437011.

It is an arithmetic number, because the mean of its divisors is an integer number (275851166743).

Almost surely, 2^{1088493793021} is an apocalyptic number.

It is an amenable number.

1088493793021 is a deficient number, since it is larger than the sum of its proper divisors (14910873951).

1088493793021 is an equidigital number, since it uses as much as digits as its factorization.

1088493793021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14910873950.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 1088493793021 in words is "one trillion, eighty-eight billion, four hundred ninety-three million, seven hundred ninety-three thousand, twenty-one".