1084451064890 has 8 divisors (see below), whose sum is σ = 1952011916820. Its totient is φ = 433780425952.

The previous prime is 1084451064871. The next prime is 1084451064913. The reversal of 1084451064890 is 984601544801.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1045299715201 + 39151349689 = 1022399^2 + 197867^2 .

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

It is a super-2 number, since 2×1084451064890² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54222553235 + ... + 54222553254.

Almost surely, 2^{1084451064890} is an apocalyptic number.

1084451064890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1084451064890 is a deficient number, since it is larger than the sum of its proper divisors (867560851930).

1084451064890 is a wasteful number, since it uses less digits than its factorization.

1084451064890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108445106496.

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 1084451064890 in words is "one trillion, eighty-four billion, four hundred fifty-one million, sixty-four thousand, eight hundred ninety".