106450463521 has 2 divisors, whose sum is σ = 106450463522. Its totient is φ = 106450463520.

The previous prime is 106450463519. The next prime is 106450463549. The reversal of 106450463521 is 125364054601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87696530496 + 18753933025 = 296136^2 + 136945^2 .

It is a cyclic number.

It is not a de Polignac number, because 106450463521 - 2¹ = 106450463519 is a prime.

It is a super-2 number, since 2×106450463521² (a number of 23 digits) contains 22 as substring.

Together with 106450463519, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (106450463591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53225231760 + 53225231761.

It is an arithmetic number, because the mean of its divisors is an integer number (53225231761).

Almost surely, 2^106450463521 is an apocalyptic number.

It is an amenable number.

106450463521 is a deficient number, since it is larger than the sum of its proper divisors (1).

106450463521 is an equidigital number, since it uses as much as digits as its factorization.

106450463521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 106450463521 in words is "one hundred six billion, four hundred fifty million, four hundred sixty-three thousand, five hundred twenty-one".