150989989638 has 8 divisors (see below), whose sum is σ = 301979979288. Its totient is φ = 50329996544.

The previous prime is 150989989597. The next prime is 150989989639. The reversal of 150989989638 is 836989989051.

150989989638 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

150989989638 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 150989989638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150989989639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12582499131 + ... + 12582499142.

It is an arithmetic number, because the mean of its divisors is an integer number (37747497411).

Almost surely, 2^150989989638 is an apocalyptic number.

150989989638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

150989989638 is a wasteful number, since it uses less digits than its factorization.

150989989638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25164998278.

The product of its (nonzero) digits is 302330880, while the sum is 75.

The spelling of 150989989638 in words is "one hundred fifty billion, nine hundred eighty-nine million, nine hundred eighty-nine thousand, six hundred thirty-eight".