35690938649 has 8 divisors (see below), whose sum is σ = 35939113800. Its totient is φ = 35442878976.

The previous prime is 35690938627. The next prime is 35690938681. The reversal of 35690938649 is 94683909653.

It can be written as a sum of positive squares in 4 ways, for example, as 9107266624 + 26583672025 = 95432^2 + 163045^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35690938649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 35690938591 and 35690938600.

It is not an unprimeable number, because it can be changed into a prime (35690938849) 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, 645899 + ... + 698975.

It is an arithmetic number, because the mean of its divisors is an integer number (4492389225).

Almost surely, 2^35690938649 is an apocalyptic number.

It is an amenable number.

35690938649 is a deficient number, since it is larger than the sum of its proper divisors (248175151).

35690938649 is a wasteful number, since it uses less digits than its factorization.

35690938649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57739.

The product of its (nonzero) digits is 37791360, while the sum is 62.

The spelling of 35690938649 in words is "thirty-five billion, six hundred ninety million, nine hundred thirty-eight thousand, six hundred forty-nine".