35994721864 has 16 divisors (see below), whose sum is σ = 67585304700. Its totient is φ = 17971973952.

The previous prime is 35994721811. The next prime is 35994721871. The reversal of 35994721864 is 46812749953.

It can be written as a sum of positive squares in 2 ways, for example, as 34883032900 + 1111688964 = 186770^2 + 33342^2 .

It is a junction number, because it is equal to n+sod(n) for n = 35994721799 and 35994721808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3167347 + ... + 3178690.

Almost surely, 2^35994721864 is an apocalyptic number.

It is an amenable number.

35994721864 is a deficient number, since it is larger than the sum of its proper divisors (31590582836).

35994721864 is a wasteful number, since it uses less digits than its factorization.

35994721864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6346752 (or 6346748 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 58.

The spelling of 35994721864 in words is "thirty-five billion, nine hundred ninety-four million, seven hundred twenty-one thousand, eight hundred sixty-four".