21734066615050 has 24 divisors (see below), whose sum is σ = 40428544930956. Its totient is φ = 8692942554240.

The previous prime is 21734066615047. The next prime is 21734066615069. The reversal of 21734066615050 is 5051666043712.

It can be written as a sum of positive squares in 6 ways, for example, as 13255854257881 + 8478212357169 = 3640859^2 + 2911737^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16460289 + ... + 17731588.

Almost surely, 2^{21734066615050} is an apocalyptic number.

21734066615050 is a deficient number, since it is larger than the sum of its proper divisors (18694478315906).

21734066615050 is a wasteful number, since it uses less digits than its factorization.

21734066615050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34204602 (or 34204597 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 21734066615050 in words is "twenty-one trillion, seven hundred thirty-four billion, sixty-six million, six hundred fifteen thousand, fifty".