609629199723 has 8 divisors (see below), whose sum is σ = 903154370000. Its totient is φ = 406419466464.

The previous prime is 609629199719. The next prime is 609629199749. The reversal of 609629199723 is 327991926906.

609629199723 is a `hidden beast` number, since 609 + 6 + 2 + 9 + 19 + 9 + 7 + 2 + 3 = 666.

It is not a de Polignac number, because 609629199723 - 2² = 609629199719 is a prime.

It is a super-2 number, since 2×609629199723² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (609629199323) 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, 11289429598 + ... + 11289429651.

It is an arithmetic number, because the mean of its divisors is an integer number (112894296250).

Almost surely, 2^609629199723 is an apocalyptic number.

609629199723 is a deficient number, since it is larger than the sum of its proper divisors (293525170277).

609629199723 is a wasteful number, since it uses less digits than its factorization.

609629199723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22578859258 (or 22578859252 counting only the distinct ones).

The product of its (nonzero) digits is 19840464, while the sum is 63.

The spelling of 609629199723 in words is "six hundred nine billion, six hundred twenty-nine million, one hundred ninety-nine thousand, seven hundred twenty-three".