21426011464346 has 8 divisors (see below), whose sum is σ = 32139085366080. Its totient is φ = 10712983008988.

The previous prime is 21426011464331. The next prime is 21426011464349. The reversal of 21426011464346 is 64346411062412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21426011464297 and 21426011464306.

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 in 3 ways as a sum of consecutive naturals, for example, 10157426 + ... + 12084093.

It is an arithmetic number, because the mean of its divisors is an integer number (4017385670760).

Almost surely, 2^{21426011464346} is an apocalyptic number.

21426011464346 is a deficient number, since it is larger than the sum of its proper divisors (10713073901734).

21426011464346 is a wasteful number, since it uses less digits than its factorization.

21426011464346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22723188.

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 21426011464346 in words is "twenty-one trillion, four hundred twenty-six billion, eleven million, four hundred sixty-four thousand, three hundred forty-six".