30129949143 has 54 divisors (see below), whose sum is σ = 52539561672. Its totient is φ = 16296778800.

The previous prime is 30129949139. The next prime is 30129949153. The reversal of 30129949143 is 34194992103.

30129949143 is a `hidden beast` number, since 30 + 1 + 2 + 99 + 491 + 43 = 666.

It is not a de Polignac number, because 30129949143 - 2² = 30129949139 is a prime.

It is a super-3 number, since 3×30129949143³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30129949153) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 26176618 + ... + 26177768.

Almost surely, 2^30129949143 is an apocalyptic number.

30129949143 is a deficient number, since it is larger than the sum of its proper divisors (22409612529).

30129949143 is an equidigital number, since it uses as much as digits as its factorization.

30129949143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353 (or 1180 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 30129949143 in words is "thirty billion, one hundred twenty-nine million, nine hundred forty-nine thousand, one hundred forty-three".