206912216629441 has 8 divisors (see below), whose sum is σ = 206939329962624. Its totient is φ = 206885103941520.

The previous prime is 206912216629427. The next prime is 206912216629511. The reversal of 206912216629441 is 144926612219602.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206912216629441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206912216629411) 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, 1203262830 + ... + 1203434776.

It is an arithmetic number, because the mean of its divisors is an integer number (25867416245328).

Almost surely, 2^{206912216629441} is an apocalyptic number.

It is an amenable number.

206912216629441 is a deficient number, since it is larger than the sum of its proper divisors (27113333183).

206912216629441 is a wasteful number, since it uses less digits than its factorization.

206912216629441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322631.

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 206912216629441 in words is "two hundred six trillion, nine hundred twelve billion, two hundred sixteen million, six hundred twenty-nine thousand, four hundred forty-one".