21213611546046 has 8 divisors (see below), whose sum is σ = 42427223092104. Its totient is φ = 7071203848680.

The previous prime is 21213611546041. The next prime is 21213611546051. The reversal of 21213611546046 is 64064511631212.

It is an interprime number because it is at equal distance from previous prime (21213611546041) and next prime (21213611546051).

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

21213611546046 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 21213611545989 and 21213611546007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21213611546041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1767800962165 + ... + 1767800962176.

It is an arithmetic number, because the mean of its divisors is an integer number (5303402886513).

Almost surely, 2^{21213611546046} is an apocalyptic number.

21213611546046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21213611546046 is a wasteful number, since it uses less digits than its factorization.

21213611546046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3535601924346.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 21213611546046 in words is "twenty-one trillion, two hundred thirteen billion, six hundred eleven million, five hundred forty-six thousand, forty-six".