1090005929 has 4 divisors (see below), whose sum is σ = 1090436100. Its totient is φ = 1089575760.

The previous prime is 1090005923. The next prime is 1090005971. The reversal of 1090005929 is 9295000901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9295000901 = 78919 ⋅117779.

It can be written as a sum of positive squares in 2 ways, for example, as 848265625 + 241740304 = 29125^2 + 15548^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1090005929 is a prime.

It is a super-2 number, since 2×1090005929² = 2376225850510306082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1090005923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211262 + ... + 216359.

It is an arithmetic number, because the mean of its divisors is an integer number (272609025).

Almost surely, 2^1090005929 is an apocalyptic number.

It is an amenable number.

1090005929 is a deficient number, since it is larger than the sum of its proper divisors (430171).

1090005929 is an equidigital number, since it uses as much as digits as its factorization.

1090005929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430170.

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 1090005929 is about 33015.2378304322. The cubic root of 1090005929 is about 1029.1443325576.

The spelling of 1090005929 in words is "one billion, ninety million, five thousand, nine hundred twenty-nine".