151989784149 has 32 divisors (see below), whose sum is σ = 237214050304. Its totient is φ = 84751168320.

The previous prime is 151989784117. The next prime is 151989784223. The reversal of 151989784149 is 941487989151.

It is not a de Polignac number, because 151989784149 - 2⁵ = 151989784117 is a prime.

It is a super-2 number, since 2×151989784149² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 151989784149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151989782149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 880719 + ... + 1039059.

It is an arithmetic number, because the mean of its divisors is an integer number (7412939072).

Almost surely, 2^151989784149 is an apocalyptic number.

It is an amenable number.

151989784149 is a deficient number, since it is larger than the sum of its proper divisors (85224266155).

151989784149 is a wasteful number, since it uses less digits than its factorization.

151989784149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159457.

The product of its digits is 26127360, while the sum is 66.

The spelling of 151989784149 in words is "one hundred fifty-one billion, nine hundred eighty-nine million, seven hundred eighty-four thousand, one hundred forty-nine".