206427532372 has 6 divisors (see below), whose sum is σ = 361248181658. Its totient is φ = 103213766184.

The previous prime is 206427532361. The next prime is 206427532439. The reversal of 206427532372 is 273235724602.

It can be written as a sum of positive squares in only one way, i.e., 147691101636 + 58736430736 = 384306^2 + 242356^2 .

It is a super-2 number, since 2×206427532372² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25803441543 + ... + 25803441550.

Almost surely, 2^206427532372 is an apocalyptic number.

It is an amenable number.

206427532372 is a deficient number, since it is larger than the sum of its proper divisors (154820649286).

206427532372 is a wasteful number, since it uses less digits than its factorization.

206427532372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51606883097 (or 51606883095 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 43.

The spelling of 206427532372 in words is "two hundred six billion, four hundred twenty-seven million, five hundred thirty-two thousand, three hundred seventy-two".