21414657550364 has 24 divisors (see below), whose sum is σ = 40735574329968. Its totient is φ = 9791317180800.

The previous prime is 21414657550357. The next prime is 21414657550439. The reversal of 21414657550364 is 46305575641412.

21414657550364 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1924388537 + ... + 1924399664.

It is an arithmetic number, because the mean of its divisors is an integer number (1697315597082).

Almost surely, 2^{21414657550364} is an apocalyptic number.

It is an amenable number.

21414657550364 is a deficient number, since it is larger than the sum of its proper divisors (19320916779604).

21414657550364 is a wasteful number, since it uses less digits than its factorization.

21414657550364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848788325 (or 3848788323 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 53.

The spelling of 21414657550364 in words is "twenty-one trillion, four hundred fourteen billion, six hundred fifty-seven million, five hundred fifty thousand, three hundred sixty-four".