21183374150 has 48 divisors (see below), whose sum is σ = 40931606400. Its totient is φ = 8147692800.

The previous prime is 21183374131. The next prime is 21183374171. The reversal of 21183374150 is 5147338112.

It is a self number, because there is not a number n which added to its sum of digits gives 21183374150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199826 + ... + 286874.

It is an arithmetic number, because the mean of its divisors is an integer number (852741800).

Almost surely, 2^21183374150 is an apocalyptic number.

21183374150 is a deficient number, since it is larger than the sum of its proper divisors (19748232250).

21183374150 is a wasteful number, since it uses less digits than its factorization.

21183374150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87249 (or 87244 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 21183374150 in words is "twenty-one billion, one hundred eighty-three million, three hundred seventy-four thousand, one hundred fifty".