1699054988 has 12 divisors (see below), whose sum is σ = 3102622320. Its totient is φ = 812591472.

The previous prime is 1699054969. The next prime is 1699055003. The reversal of 1699054988 is 8894509961.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9233903 + ... + 9234086.

It is an arithmetic number, because the mean of its divisors is an integer number (258551860).

Almost surely, 2^1699054988 is an apocalyptic number.

It is an amenable number.

1699054988 is a deficient number, since it is larger than the sum of its proper divisors (1403567332).

1699054988 is a wasteful number, since it uses less digits than its factorization.

1699054988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18468016 (or 18468014 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 59.

The square root of 1699054988 is about 41219.5947093127. The cubic root of 1699054988 is about 1193.2620027135.

The spelling of 1699054988 in words is "one billion, six hundred ninety-nine million, fifty-four thousand, nine hundred eighty-eight".