35649843621001 has 9 divisors (see below), whose sum is σ = 35858142203349. Its totient is φ = 35442748191936.

The previous prime is 35649843620929. The next prime is 35649843621013. The reversal of 35649843621001 is 10012634894653.

The square root of 35649843621001 is 5970749.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 22540664785401 + 13109178835600 = 4747701^2 + 3620660^2 .

It is not a de Polignac number, because 35649843621001 - 2¹⁷ = 35649843489929 is a prime.

It is a super-2 number, since 2×35649843621001² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 35649843621001.

It is not an unprimeable number, because it can be changed into a prime (35649843621101) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1032922321 + ... + 1032956833.

Almost surely, 2^{35649843621001} is an apocalyptic number.

35649843621001 is the 5970749-th square number.

35649843621001 is the 2985375-th centered octagonal number.

It is an amenable number.

35649843621001 is a deficient number, since it is larger than the sum of its proper divisors (208298582348).

35649843621001 is an frugal number, since it uses more digits than its factorization.

35649843621001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69372 (or 34686 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 35649843621001 in words is "thirty-five trillion, six hundred forty-nine billion, eight hundred forty-three million, six hundred twenty-one thousand, one".