3159155450849 has 2 divisors, whose sum is σ = 3159155450850. Its totient is φ = 3159155450848.

The previous prime is 3159155450833. The next prime is 3159155450887. The reversal of 3159155450849 is 9480545519513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3006086713249 + 153068737600 = 1733807^2 + 391240^2 .

It is a cyclic number.

It is not a de Polignac number, because 3159155450849 - 2⁴ = 3159155450833 is a prime.

It is not a weakly prime, because it can be changed into another prime (3159151450849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1579577725424 + 1579577725425.

It is an arithmetic number, because the mean of its divisors is an integer number (1579577725425).

Almost surely, 2^{3159155450849} is an apocalyptic number.

It is an amenable number.

3159155450849 is a deficient number, since it is larger than the sum of its proper divisors (1).

3159155450849 is an equidigital number, since it uses as much as digits as its factorization.

3159155450849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440000, while the sum is 59.

The spelling of 3159155450849 in words is "three trillion, one hundred fifty-nine billion, one hundred fifty-five million, four hundred fifty thousand, eight hundred forty-nine".