21898153150 has 12 divisors (see below), whose sum is σ = 40730564952. Its totient is φ = 8759261240.

The previous prime is 21898153133. The next prime is 21898153157. The reversal of 21898153150 is 5135189812.

It is a super-2 number, since 2×21898153150² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21898153097 and 21898153106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21898153157) 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 5 ways as a sum of consecutive naturals, for example, 218981482 + ... + 218981581.

It is an arithmetic number, because the mean of its divisors is an integer number (3394213746).

Almost surely, 2^21898153150 is an apocalyptic number.

21898153150 is a deficient number, since it is larger than the sum of its proper divisors (18832411802).

21898153150 is a wasteful number, since it uses less digits than its factorization.

21898153150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437963075 (or 437963070 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 43.

The spelling of 21898153150 in words is "twenty-one billion, eight hundred ninety-eight million, one hundred fifty-three thousand, one hundred fifty".