206623061429 has 4 divisors (see below), whose sum is σ = 206630463840. Its totient is φ = 206615659020.

The previous prime is 206623061401. The next prime is 206623061459. The reversal of 206623061429 is 924160326602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 206623061429 - 2²⁸ = 206354625973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206623061459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3659177 + ... + 3715214.

It is an arithmetic number, because the mean of its divisors is an integer number (51657615960).

Almost surely, 2^206623061429 is an apocalyptic number.

It is an amenable number.

206623061429 is a deficient number, since it is larger than the sum of its proper divisors (7402411).

206623061429 is an equidigital number, since it uses as much as digits as its factorization.

206623061429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7402410.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 206623061429 in words is "two hundred six billion, six hundred twenty-three million, sixty-one thousand, four hundred twenty-nine".