1086429919 has 2 divisors, whose sum is σ = 1086429920. Its totient is φ = 1086429918.

The previous prime is 1086429917. The next prime is 1086429943. The reversal of 1086429919 is 9199246801.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1086429919 - 2¹ = 1086429917 is a prime.

It is a super-2 number, since 2×1086429919² = 2360659937796693122, which contains 22 as substring.

Together with 1086429917, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1086429913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543214959 + 543214960.

It is an arithmetic number, because the mean of its divisors is an integer number (543214960).

Almost surely, 2^1086429919 is an apocalyptic number.

1086429919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1086429919 is an equidigital number, since it uses as much as digits as its factorization.

1086429919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 49.

The square root of 1086429919 is about 32961.0363763035. The cubic root of 1086429919 is about 1028.0176529417.

The spelling of 1086429919 in words is "one billion, eighty-six million, four hundred twenty-nine thousand, nine hundred nineteen".