1084363632881 has 8 divisors (see below), whose sum is σ = 1113694219560. Its totient is φ = 1055034281088.

The previous prime is 1084363632853. The next prime is 1084363632887. The reversal of 1084363632881 is 1882363634801.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 118742957281 + 965620675600 = 344591^2 + 982660^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1084363632881 - 2²² = 1084359438577 is a prime.

It is a super-2 number, since 2×1084363632881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1084363632887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1634435 + ... + 2200023.

It is an arithmetic number, because the mean of its divisors is an integer number (139211777445).

Almost surely, 2^{1084363632881} is an apocalyptic number.

It is an amenable number.

1084363632881 is a deficient number, since it is larger than the sum of its proper divisors (29330586679).

1084363632881 is an equidigital number, since it uses as much as digits as its factorization.

1084363632881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617443.

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 1084363632881 in words is "one trillion, eighty-four billion, three hundred sixty-three million, six hundred thirty-two thousand, eight hundred eighty-one".