206989499532 has 24 divisors (see below), whose sum is σ = 483104776000. Its totient is φ = 68978031696.

The previous prime is 206989499531. The next prime is 206989499537. The reversal of 206989499532 is 235994989602.

It is not an unprimeable number, because it can be changed into a prime (206989499531) 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, 2261782 + ... + 2351517.

Almost surely, 2^206989499532 is an apocalyptic number.

It is an amenable number.

206989499532 is an abundant number, since it is smaller than the sum of its proper divisors (276115276468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206989499532 is a wasteful number, since it uses less digits than its factorization.

206989499532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4617045 (or 4617043 counting only the distinct ones).

The product of its (nonzero) digits is 75582720, while the sum is 66.

It can be divided in two parts, 206989499 and 532, that added together give a triangular number (206990031 = T₂₀₃₄₆).

The spelling of 206989499532 in words is "two hundred six billion, nine hundred eighty-nine million, four hundred ninety-nine thousand, five hundred thirty-two".