30629353849 has 12 divisors (see below), whose sum is σ = 32595586164. Its totient is φ = 28682134272.

The previous prime is 30629353847. The next prime is 30629353871. The reversal of 30629353849 is 94835392603.

It can be written as a sum of positive squares in 2 ways, for example, as 14256360000 + 16372993849 = 119400^2 + 127957^2 .

It is not a de Polignac number, because 30629353849 - 2¹ = 30629353847 is a prime.

It is a super-2 number, since 2×30629353849² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30629353796 and 30629353805.

It is not an unprimeable number, because it can be changed into a prime (30629353841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 650469 + ... + 695965.

It is an arithmetic number, because the mean of its divisors is an integer number (2716298847).

Almost surely, 2^30629353849 is an apocalyptic number.

It is an amenable number.

30629353849 is a deficient number, since it is larger than the sum of its proper divisors (1966232315).

30629353849 is an equidigital number, since it uses as much as digits as its factorization.

30629353849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45912 (or 45713 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 52.

The spelling of 30629353849 in words is "thirty billion, six hundred twenty-nine million, three hundred fifty-three thousand, eight hundred forty-nine".