151481893489 has 12 divisors (see below), whose sum is σ = 164841563628. Its totient is φ = 139093836800.

The previous prime is 151481893487. The next prime is 151481893531. The reversal of 151481893489 is 984398184151.

It can be written as a sum of positive squares in 6 ways, for example, as 5990760000 + 145491133489 = 77400^2 + 381433^2 .

It is not a de Polignac number, because 151481893489 - 2¹ = 151481893487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151481893487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6380332 + ... + 6404029.

It is an arithmetic number, because the mean of its divisors is an integer number (13736796969).

Almost surely, 2^151481893489 is an apocalyptic number.

It is an amenable number.

151481893489 is a deficient number, since it is larger than the sum of its proper divisors (13359670139).

151481893489 is a wasteful number, since it uses less digits than its factorization.

151481893489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12784436 (or 12784419 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 61.

The spelling of 151481893489 in words is "one hundred fifty-one billion, four hundred eighty-one million, eight hundred ninety-three thousand, four hundred eighty-nine".