106921281659 has 2 divisors, whose sum is σ = 106921281660. Its totient is φ = 106921281658.

The previous prime is 106921281583. The next prime is 106921281697. The reversal of 106921281659 is 956182129601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106921281659 - 2⁸ = 106921281403 is a prime.

It is a super-2 number, since 2×106921281659² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106921281959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53460640829 + 53460640830.

It is an arithmetic number, because the mean of its divisors is an integer number (53460640830).

Almost surely, 2^106921281659 is an apocalyptic number.

106921281659 is a deficient number, since it is larger than the sum of its proper divisors (1).

106921281659 is an equidigital number, since it uses as much as digits as its factorization.

106921281659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 50.

The spelling of 106921281659 in words is "one hundred six billion, nine hundred twenty-one million, two hundred eighty-one thousand, six hundred fifty-nine".