206425231633 has 8 divisors (see below), whose sum is σ = 216590302656. Its totient is φ = 196359332400.

The previous prime is 206425231513. The next prime is 206425231697. The reversal of 206425231633 is 336132524602.

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

It is a cyclic number.

It is not a de Polignac number, because 206425231633 - 2¹⁷ = 206425100561 is a prime.

It is a super-2 number, since 2×206425231633² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206425231592 and 206425231601.

It is not an unprimeable number, because it can be changed into a prime (206425231333) 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, 24788683 + ... + 24797008.

It is an arithmetic number, because the mean of its divisors is an integer number (27073787832).

Almost surely, 2^206425231633 is an apocalyptic number.

206425231633 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

206425231633 is a deficient number, since it is larger than the sum of its proper divisors (10165071023).

206425231633 is a wasteful number, since it uses less digits than its factorization.

206425231633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49585895.

The product of its (nonzero) digits is 155520, while the sum is 37.

The spelling of 206425231633 in words is "two hundred six billion, four hundred twenty-five million, two hundred thirty-one thousand, six hundred thirty-three".