21652603214302 has 4 divisors (see below), whose sum is σ = 32478904821456. Its totient is φ = 10826301607150.

The previous prime is 21652603214269. The next prime is 21652603214303. The reversal of 21652603214302 is 20341230625612.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21652603214303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5413150803574 + ... + 5413150803577.

It is an arithmetic number, because the mean of its divisors is an integer number (8119726205364).

Almost surely, 2^{21652603214302} is an apocalyptic number.

21652603214302 is a deficient number, since it is larger than the sum of its proper divisors (10826301607154).

21652603214302 is a wasteful number, since it uses less digits than its factorization.

21652603214302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10826301607153.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 21652603214302 its reverse (20341230625612), we get a palindrome (41993833839914).

The spelling of 21652603214302 in words is "twenty-one trillion, six hundred fifty-two billion, six hundred three million, two hundred fourteen thousand, three hundred two".