21426011464348 has 6 divisors (see below), whose sum is σ = 37495520062616. Its totient is φ = 10713005732172.

The previous prime is 21426011464331. The next prime is 21426011464349. The reversal of 21426011464348 is 84346411062412.

It is a junction number, because it is equal to n+sod(n) for n = 21426011464298 and 21426011464307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21426011464349) 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 as a sum of consecutive naturals, namely, 2678251433040 + ... + 2678251433047.

Almost surely, 2^{21426011464348} is an apocalyptic number.

It is an amenable number.

21426011464348 is a deficient number, since it is larger than the sum of its proper divisors (16069508598268).

21426011464348 is a wasteful number, since it uses less digits than its factorization.

21426011464348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5356502866091 (or 5356502866089 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 46.

The spelling of 21426011464348 in words is "twenty-one trillion, four hundred twenty-six billion, eleven million, four hundred sixty-four thousand, three hundred forty-eight".