29890628173 has 8 divisors (see below), whose sum is σ = 34641855360. Its totient is φ = 25259685360.

The previous prime is 29890628171. The next prime is 29890628177. The reversal of 29890628173 is 37182609892.

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

It is not a de Polignac number, because 29890628173 - 2¹ = 29890628171 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29890628171) 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, 30070558 + ... + 30071551.

It is an arithmetic number, because the mean of its divisors is an integer number (4330231920).

Almost surely, 2^29890628173 is an apocalyptic number.

It is an amenable number.

29890628173 is a deficient number, since it is larger than the sum of its proper divisors (4751227187).

29890628173 is an equidigital number, since it uses as much as digits as its factorization.

29890628173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60142187.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 29890628173 in words is "twenty-nine billion, eight hundred ninety million, six hundred twenty-eight thousand, one hundred seventy-three".