1699194045 has 16 divisors (see below), whose sum is σ = 2770008192. Its totient is φ = 889137600.

The previous prime is 1699194019. The next prime is 1699194053. The reversal of 1699194045 is 5404919961.

It is a happy number.

It is not a de Polignac number, because 1699194045 - 2⁶ = 1699193981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1699193985 and 1699194003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1067881 + ... + 1069470.

It is an arithmetic number, because the mean of its divisors is an integer number (173125512).

Almost surely, 2^1699194045 is an apocalyptic number.

1699194045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1699194045 is a deficient number, since it is larger than the sum of its proper divisors (1070814147).

1699194045 is a wasteful number, since it uses less digits than its factorization.

1699194045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137412.

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 1699194045 is about 41221.2814575190. The cubic root of 1699194045 is about 1193.2945554971.

The spelling of 1699194045 in words is "one billion, six hundred ninety-nine million, one hundred ninety-four thousand, forty-five".