153638686050 has 24 divisors (see below), whose sum is σ = 381023941776. Its totient is φ = 40970316240.

The previous prime is 153638686013. The next prime is 153638686051. The reversal of 153638686050 is 50686836351.

It is a junction number, because it is equal to n+sod(n) for n = 153638685984 and 153638686002.

It is not an unprimeable number, because it can be changed into a prime (153638686051) 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 11 ways as a sum of consecutive naturals, for example, 512128804 + ... + 512129103.

It is an arithmetic number, because the mean of its divisors is an integer number (15875997574).

Almost surely, 2^153638686050 is an apocalyptic number.

153638686050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

153638686050 is an abundant number, since it is smaller than the sum of its proper divisors (227385255726).

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

153638686050 is a wasteful number, since it uses less digits than its factorization.

153638686050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024257922 (or 1024257917 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 153638686050 in words is "one hundred fifty-three billion, six hundred thirty-eight million, six hundred eighty-six thousand, fifty".