35985497738 has 8 divisors (see below), whose sum is σ = 54202223460. Its totient is φ = 17918089920.

The previous prime is 35985497731. The next prime is 35985497759. The reversal of 35985497738 is 83779458953.

It can be written as a sum of positive squares in 2 ways, for example, as 30231820129 + 5753677609 = 173873^2 + 75853^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (35985497731) 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, 37328873 + ... + 37329836.

Almost surely, 2^35985497738 is an apocalyptic number.

35985497738 is a deficient number, since it is larger than the sum of its proper divisors (18216725722).

35985497738 is a wasteful number, since it uses less digits than its factorization.

35985497738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74658952.

The product of its digits is 228614400, while the sum is 68.

The spelling of 35985497738 in words is "thirty-five billion, nine hundred eighty-five million, four hundred ninety-seven thousand, seven hundred thirty-eight".