1084999306690 has 16 divisors (see below), whose sum is σ = 2103229425528. Its totient is φ = 400615128576.

The previous prime is 1084999306661. The next prime is 1084999306691. The reversal of 1084999306690 is 966039994801.

It is a Cunningham number, because it is equal to 1041633²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 390598750441 + 694400556249 = 624979^2 + 833307^2 .

It is a super-2 number, since 2×1084999306690² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1084999306691) 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, 4173074127 + ... + 4173074386.

Almost surely, 2^{1084999306690} is an apocalyptic number.

1084999306690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1084999306690 is a deficient number, since it is larger than the sum of its proper divisors (1018230118838).

1084999306690 is a wasteful number, since it uses less digits than its factorization.

1084999306690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8346148533.

The product of its (nonzero) digits is 22674816, while the sum is 64.

The spelling of 1084999306690 in words is "one trillion, eighty-four billion, nine hundred ninety-nine million, three hundred six thousand, six hundred ninety".