30180361829 has 4 divisors (see below), whose sum is σ = 31153921920. Its totient is φ = 29206801740.

The previous prime is 30180361823. The next prime is 30180361837. The reversal of 30180361829 is 92816308103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92816308103 = 1231 ⋅75399113.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30180361829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30180361823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486779999 + ... + 486780060.

It is an arithmetic number, because the mean of its divisors is an integer number (7788480480).

Almost surely, 2^30180361829 is an apocalyptic number.

It is an amenable number.

30180361829 is a deficient number, since it is larger than the sum of its proper divisors (973560091).

30180361829 is an equidigital number, since it uses as much as digits as its factorization.

30180361829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973560090.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 30180361829 in words is "thirty billion, one hundred eighty million, three hundred sixty-one thousand, eight hundred twenty-nine".