1691283364 has 24 divisors (see below), whose sum is σ = 3098712960. Its totient is φ = 806639904.

The previous prime is 1691283361. The next prime is 1691283383. The reversal of 1691283364 is 4633821961.

It is a self number, because there is not a number n which added to its sum of digits gives 1691283364.

It is not an unprimeable number, because it can be changed into a prime (1691283361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78204 + ... + 97459.

It is an arithmetic number, because the mean of its divisors is an integer number (129113040).

Almost surely, 2^1691283364 is an apocalyptic number.

It is an amenable number.

1691283364 is a deficient number, since it is larger than the sum of its proper divisors (1407429596).

1691283364 is a wasteful number, since it uses less digits than its factorization.

1691283364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175779 (or 175777 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 1691283364 is about 41125.2156711670. The cubic root of 1691283364 is about 1191.4398605787.

The spelling of 1691283364 in words is "one billion, six hundred ninety-one million, two hundred eighty-three thousand, three hundred sixty-four".