1685913532 has 12 divisors (see below), whose sum is σ = 2951005176. Its totient is φ = 842769200.

The previous prime is 1685913487. The next prime is 1685913533. The reversal of 1685913532 is 2353195861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1685913533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25594 + ... + 63457.

It is an arithmetic number, because the mean of its divisors is an integer number (245917098).

Almost surely, 2^1685913532 is an apocalyptic number.

It is an amenable number.

1685913532 is a deficient number, since it is larger than the sum of its proper divisors (1265091644).

1685913532 is a wasteful number, since it uses less digits than its factorization.

1685913532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93788 (or 93786 counting only the distinct ones).

The product of its digits is 194400, while the sum is 43.

The square root of 1685913532 is about 41059.8773987454. The cubic root of 1685913532 is about 1190.1775814829.

The spelling of 1685913532 in words is "one billion, six hundred eighty-five million, nine hundred thirteen thousand, five hundred thirty-two".