30840061829 has 2 divisors, whose sum is σ = 30840061830. Its totient is φ = 30840061828.

The previous prime is 30840061799. The next prime is 30840061849. The reversal of 30840061829 is 92816004803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16566264100 + 14273797729 = 128710^2 + 119473^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30840061829 is a prime.

It is a super-2 number, since 2×30840061829² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30840061849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15420030914 + 15420030915.

It is an arithmetic number, because the mean of its divisors is an integer number (15420030915).

Almost surely, 2^30840061829 is an apocalyptic number.

It is an amenable number.

30840061829 is a deficient number, since it is larger than the sum of its proper divisors (1).

30840061829 is an equidigital number, since it uses as much as digits as its factorization.

30840061829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 30840061829 in words is "thirty billion, eight hundred forty million, sixty-one thousand, eight hundred twenty-nine".