1081929364093 has 4 divisors (see below), whose sum is σ = 1081977367900. Its totient is φ = 1081881360288.

The previous prime is 1081929364057. The next prime is 1081929364123. The reversal of 1081929364093 is 3904639291801.

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 1046698824889 + 35230539204 = 1023083^2 + 187698^2 .

It is a cyclic number.

It is not a de Polignac number, because 1081929364093 - 2²¹ = 1081927266941 is a prime.

It is a super-2 number, since 2×1081929364093² (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 (1081929364493) 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, 23968080 + ... + 24013177.

It is an arithmetic number, because the mean of its divisors is an integer number (270494341975).

Almost surely, 2^{1081929364093} is an apocalyptic number.

It is an amenable number.

1081929364093 is a deficient number, since it is larger than the sum of its proper divisors (48003807).

1081929364093 is an equidigital number, since it uses as much as digits as its factorization.

1081929364093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48003806.

The product of its (nonzero) digits is 2519424, while the sum is 55.

The spelling of 1081929364093 in words is "one trillion, eighty-one billion, nine hundred twenty-nine million, three hundred sixty-four thousand, ninety-three".