151864289849 has 4 divisors (see below), whose sum is σ = 151881096180. Its totient is φ = 151847483520.

The previous prime is 151864289791. The next prime is 151864289873. The reversal of 151864289849 is 948982468151.

151864289849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 948982468151 = 193 ⋅4917007607.

It can be written as a sum of positive squares in 2 ways, for example, as 125330160400 + 26534129449 = 354020^2 + 162893^2 .

It is a cyclic number.

It is not a de Polignac number, because 151864289849 - 2¹⁶ = 151864224313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151864289749) 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 in 3 ways as a sum of consecutive naturals, for example, 8389604 + ... + 8407685.

It is an arithmetic number, because the mean of its divisors is an integer number (37970274045).

Almost surely, 2^151864289849 is an apocalyptic number.

It is an amenable number.

151864289849 is a deficient number, since it is larger than the sum of its proper divisors (16806331).

151864289849 is an equidigital number, since it uses as much as digits as its factorization.

151864289849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16806330.

The product of its digits is 39813120, while the sum is 65.

The spelling of 151864289849 in words is "one hundred fifty-one billion, eight hundred sixty-four million, two hundred eighty-nine thousand, eight hundred forty-nine".