1099429807 has 24 divisors (see below), whose sum is σ = 1302773760. Its totient is φ = 924945840.

The previous prime is 1099429769. The next prime is 1099429823. The reversal of 1099429807 is 7089249901.

It is not a de Polignac number, because 1099429807 - 2¹⁹ = 1098905519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099429847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 738618 + ... + 740104.

It is an arithmetic number, because the mean of its divisors is an integer number (54282240).

Almost surely, 2^1099429807 is an apocalyptic number.

1099429807 is a deficient number, since it is larger than the sum of its proper divisors (203343953).

1099429807 is a wasteful number, since it uses less digits than its factorization.

1099429807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771 (or 1764 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 1099429807 is about 33157.6508064127. The cubic root of 1099429807 is about 1032.1017213271.

The spelling of 1099429807 in words is "one billion, ninety-nine million, four hundred twenty-nine thousand, eight hundred seven".