29800357185 has 16 divisors (see below), whose sum is σ = 47697661440. Its totient is φ = 15887827200.

The previous prime is 29800357157. The next prime is 29800357219. The reversal of 29800357185 is 58175300892.

It is not a de Polignac number, because 29800357185 - 2¹⁸ = 29800095041 is a prime.

It is a super-2 number, since 2×29800357185² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312625 + ... + 396654.

It is an arithmetic number, because the mean of its divisors is an integer number (2981103840).

Almost surely, 2^29800357185 is an apocalyptic number.

It is an amenable number.

29800357185 is a deficient number, since it is larger than the sum of its proper divisors (17897304255).

29800357185 is a wasteful number, since it uses less digits than its factorization.

29800357185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712088.

The product of its (nonzero) digits is 604800, while the sum is 48.

The spelling of 29800357185 in words is "twenty-nine billion, eight hundred million, three hundred fifty-seven thousand, one hundred eighty-five".