1699789494 has 24 divisors (see below), whose sum is σ = 3681203112. Its totient is φ = 523011840.

The previous prime is 1699789417. The next prime is 1699789541. The reversal of 1699789494 is 4949879961.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 837147 + ... + 839174.

It is an arithmetic number, because the mean of its divisors is an integer number (153383463).

Almost surely, 2^1699789494 is an apocalyptic number.

1699789494 is an abundant number, since it is smaller than the sum of its proper divisors (1981413618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1699789494 is a wasteful number, since it uses less digits than its factorization.

1699789494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676352 (or 1676339 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 66.

The square root of 1699789494 is about 41228.5034169323. The cubic root of 1699789494 is about 1193.4339280561.

It can be divided in two parts, 16997 and 89494, that added together give a triangular number (106491 = T₄₆₁).

The spelling of 1699789494 in words is "one billion, six hundred ninety-nine million, seven hundred eighty-nine thousand, four hundred ninety-four".