16929250655439 has 8 divisors (see below), whose sum is σ = 22909234718080. Its totient is φ = 11117716848216.

The previous prime is 16929250655357. The next prime is 16929250655453. The reversal of 16929250655439 is 93455605292961.

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

It is not a de Polignac number, because 16929250655439 - 2¹¹ = 16929250653391 is a prime.

It is a super-2 number, since 2×16929250655439² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16929250655439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16929250655459) 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, 42112563619 + ... + 42112564020.

It is an arithmetic number, because the mean of its divisors is an integer number (2863654339760).

Almost surely, 2^{16929250655439} is an apocalyptic number.

16929250655439 is a deficient number, since it is larger than the sum of its proper divisors (5979984062641).

16929250655439 is an equidigital number, since it uses as much as digits as its factorization.

16929250655439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84225127709.

The product of its (nonzero) digits is 157464000, while the sum is 66.

The spelling of 16929250655439 in words is "sixteen trillion, nine hundred twenty-nine billion, two hundred fifty million, six hundred fifty-five thousand, four hundred thirty-nine".