21090103463343 has 8 divisors (see below), whose sum is σ = 28121730599088. Its totient is φ = 14059272651584.

The previous prime is 21090103463293. The next prime is 21090103463369. The reversal of 21090103463343 is 34336430109012.

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

It is a cyclic number.

It is not a de Polignac number, because 21090103463343 - 2⁶ = 21090103463279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21090103463383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199019196 + ... + 199125137.

It is an arithmetic number, because the mean of its divisors is an integer number (3515216324886).

Almost surely, 2^{21090103463343} is an apocalyptic number.

21090103463343 is a deficient number, since it is larger than the sum of its proper divisors (7031627135745).

21090103463343 is a wasteful number, since it uses less digits than its factorization.

21090103463343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398161993.

The product of its (nonzero) digits is 139968, while the sum is 39.

The spelling of 21090103463343 in words is "twenty-one trillion, ninety billion, one hundred three million, four hundred sixty-three thousand, three hundred forty-three".