27470499829 has 2 divisors, whose sum is σ = 27470499830. Its totient is φ = 27470499828.

The previous prime is 27470499821. The next prime is 27470499883. The reversal of 27470499829 is 92899407472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27357821604 + 112678225 = 165402^2 + 10615^2 .

It is a cyclic number.

It is not a de Polignac number, because 27470499829 - 2³ = 27470499821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27470499821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13735249914 + 13735249915.

It is an arithmetic number, because the mean of its divisors is an integer number (13735249915).

Almost surely, 2^27470499829 is an apocalyptic number.

It is an amenable number.

27470499829 is a deficient number, since it is larger than the sum of its proper divisors (1).

27470499829 is an equidigital number, since it uses as much as digits as its factorization.

27470499829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 27470499829 in words is "twenty-seven billion, four hundred seventy million, four hundred ninety-nine thousand, eight hundred twenty-nine".