352995060681 has 6 divisors (see below), whose sum is σ = 509881754330. Its totient is φ = 235330040448.

The previous prime is 352995060679. The next prime is 352995060757. The reversal of 352995060681 is 186060599253.

It is a happy number.

352995060681 is a `hidden beast` number, since 3 + 5 + 29 + 9 + 5 + 0 + 606 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 203318926281 + 149676134400 = 450909^2 + 386880^2 .

It is not a de Polignac number, because 352995060681 - 2¹ = 352995060679 is a prime.

It is a super-2 number, since 2×352995060681² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (352995060641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19610836696 + ... + 19610836713.

Almost surely, 2^352995060681 is an apocalyptic number.

It is an amenable number.

352995060681 is a deficient number, since it is larger than the sum of its proper divisors (156886693649).

352995060681 is a wasteful number, since it uses less digits than its factorization.

352995060681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39221673415 (or 39221673412 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 352995060681 in words is "three hundred fifty-two billion, nine hundred ninety-five million, sixty thousand, six hundred eighty-one".