1090668629 has 4 divisors (see below), whose sum is σ = 1125851520. Its totient is φ = 1055485740.

The previous prime is 1090668617. The next prime is 1090668661. The reversal of 1090668629 is 9268660901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1090668629 - 2¹⁶ = 1090603093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090668329) 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, 17591399 + ... + 17591460.

It is an arithmetic number, because the mean of its divisors is an integer number (281462880).

Almost surely, 2^1090668629 is an apocalyptic number.

It is an amenable number.

1090668629 is a deficient number, since it is larger than the sum of its proper divisors (35182891).

1090668629 is an equidigital number, since it uses as much as digits as its factorization.

1090668629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35182890.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 1090668629 is about 33025.2725802528. The cubic root of 1090668629 is about 1029.3528561265.

The spelling of 1090668629 in words is "one billion, ninety million, six hundred sixty-eight thousand, six hundred twenty-nine".