21330088813463 has 2 divisors, whose sum is σ = 21330088813464. Its totient is φ = 21330088813462.

The previous prime is 21330088813457. The next prime is 21330088813499. The reversal of 21330088813463 is 36431888003312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21330088813463 - 2¹⁶ = 21330088747927 is a prime.

It is a super-2 number, since 2×21330088813463² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21330088813433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10665044406731 + 10665044406732.

It is an arithmetic number, because the mean of its divisors is an integer number (10665044406732).

Almost surely, 2^{21330088813463} is an apocalyptic number.

21330088813463 is a deficient number, since it is larger than the sum of its proper divisors (1).

21330088813463 is an equidigital number, since it uses as much as digits as its factorization.

21330088813463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 21330088813463 in words is "twenty-one trillion, three hundred thirty billion, eighty-eight million, eight hundred thirteen thousand, four hundred sixty-three".