1086819803 has 2 divisors, whose sum is σ = 1086819804. Its totient is φ = 1086819802.

The previous prime is 1086819787. The next prime is 1086819821. The reversal of 1086819803 is 3089186801.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1086819803 - 2⁴ = 1086819787 is a prime.

It is not a weakly prime, because it can be changed into another prime (1086819203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543409901 + 543409902.

It is an arithmetic number, because the mean of its divisors is an integer number (543409902).

Almost surely, 2^1086819803 is an apocalyptic number.

1086819803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1086819803 is an equidigital number, since it uses as much as digits as its factorization.

1086819803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 1086819803 is about 32966.9501622458. The cubic root of 1086819803 is about 1028.1406121532.

The spelling of 1086819803 in words is "one billion, eighty-six million, eight hundred nineteen thousand, eight hundred three".