1090678829 has 2 divisors, whose sum is σ = 1090678830. Its totient is φ = 1090678828.

The previous prime is 1090678817. The next prime is 1090678867. The reversal of 1090678829 is 9288760901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 987656329 + 103022500 = 31427^2 + 10150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1090678829 is a prime.

It is a super-2 number, since 2×1090678829² = 2379160616057622482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1090678879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545339414 + 545339415.

It is an arithmetic number, because the mean of its divisors is an integer number (545339415).

Almost surely, 2^1090678829 is an apocalyptic number.

It is an amenable number.

1090678829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090678829 is an equidigital number, since it uses as much as digits as its factorization.

1090678829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 50.

The square root of 1090678829 is about 33025.4270070805. The cubic root of 1090678829 is about 1029.3560649736.

The spelling of 1090678829 in words is "one billion, ninety million, six hundred seventy-eight thousand, eight hundred twenty-nine".