21734053340650 has 24 divisors (see below), whose sum is σ = 46200387673440. Its totient is φ = 7451675430960.

The previous prime is 21734053340641. The next prime is 21734053340653. The reversal of 21734053340650 is 5604335043712.

It is a super-2 number, since 2×21734053340650² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21734053340597 and 21734053340606.

It is not an unprimeable number, because it can be changed into a prime (21734053340653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31048647280 + ... + 31048647979.

It is an arithmetic number, because the mean of its divisors is an integer number (1925016153060).

Almost surely, 2^{21734053340650} is an apocalyptic number.

21734053340650 is an abundant number, since it is smaller than the sum of its proper divisors (24466334332790).

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

21734053340650 is a wasteful number, since it uses less digits than its factorization.

21734053340650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62097295278 (or 62097295273 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 43.

The spelling of 21734053340650 in words is "twenty-one trillion, seven hundred thirty-four billion, fifty-three million, three hundred forty thousand, six hundred fifty".