32158540949 has 2 divisors, whose sum is σ = 32158540950. Its totient is φ = 32158540948.

The previous prime is 32158540907. The next prime is 32158540993. The reversal of 32158540949 is 94904585123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24568995025 + 7589545924 = 156745^2 + 87118^2 .

It is an emirp because it is prime and its reverse (94904585123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32158540949 - 2¹² = 32158536853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32158540897 and 32158540906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32158500949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16079270474 + 16079270475.

It is an arithmetic number, because the mean of its divisors is an integer number (16079270475).

Almost surely, 2^32158540949 is an apocalyptic number.

It is an amenable number.

32158540949 is a deficient number, since it is larger than the sum of its proper divisors (1).

32158540949 is an equidigital number, since it uses as much as digits as its factorization.

32158540949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 32158540949 in words is "thirty-two billion, one hundred fifty-eight million, five hundred forty thousand, nine hundred forty-nine".