1696542930 has 48 divisors (see below), whose sum is σ = 4413576024. Its totient is φ = 452148480.

The previous prime is 1696542871. The next prime is 1696542943. The reversal of 1696542930 is 392456961.

1696542930 is a `hidden beast` number, since 16 + 9 + 6 + 542 + 93 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1023296121 + 673246809 = 31989^2 + 25947^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187920 + ... + 196740.

Almost surely, 2^1696542930 is an apocalyptic number.

1696542930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1696542930 is an abundant number, since it is smaller than the sum of its proper divisors (2717033094).

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

1696542930 is a wasteful number, since it uses less digits than its factorization.

1696542930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10971 (or 10968 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 1696542930 is about 41189.1117894038. Note that the first 3 decimals coincide. The cubic root of 1696542930 is about 1192.6736321412.

It can be divided in two parts, 16965 and 42930, that added together give a palindrome (59895).

The spelling of 1696542930 in words is "one billion, six hundred ninety-six million, five hundred forty-two thousand, nine hundred thirty".