30640476029 has 2 divisors, whose sum is σ = 30640476030. Its totient is φ = 30640476028.

The previous prime is 30640476019. The next prime is 30640476059. The reversal of 30640476029 is 92067404603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25499299225 + 5141176804 = 159685^2 + 71702^2 .

It is a cyclic number.

It is not a de Polignac number, because 30640476029 - 2¹² = 30640471933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30640476019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15320238014 + 15320238015.

It is an arithmetic number, because the mean of its divisors is an integer number (15320238015).

Almost surely, 2^30640476029 is an apocalyptic number.

It is an amenable number.

30640476029 is a deficient number, since it is larger than the sum of its proper divisors (1).

30640476029 is an equidigital number, since it uses as much as digits as its factorization.

30640476029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 30640476029 in words is "thirty billion, six hundred forty million, four hundred seventy-six thousand, twenty-nine".