156000538849 has 2 divisors, whose sum is σ = 156000538850. Its totient is φ = 156000538848.

The previous prime is 156000538843. The next prime is 156000538867. The reversal of 156000538849 is 948835000651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79087500625 + 76913038224 = 281225^2 + 277332^2 .

It is a cyclic number.

It is not a de Polignac number, because 156000538849 - 2¹¹ = 156000536801 is a prime.

It is not a weakly prime, because it can be changed into another prime (156000538843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78000269424 + 78000269425.

It is an arithmetic number, because the mean of its divisors is an integer number (78000269425).

Almost surely, 2^156000538849 is an apocalyptic number.

It is an amenable number.

156000538849 is a deficient number, since it is larger than the sum of its proper divisors (1).

156000538849 is an equidigital number, since it uses as much as digits as its factorization.

156000538849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 156000538849 in words is "one hundred fifty-six billion, five hundred thirty-eight thousand, eight hundred forty-nine".