6450223135 has 16 divisors (see below), whose sum is σ = 7952829696. Its totient is φ = 5018588928.

The previous prime is 6450223121. The next prime is 6450223139. The reversal of 6450223135 is 5313220546.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6450223135 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6450223097 and 6450223106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6450223139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540402 + ... + 552208.

It is an arithmetic number, because the mean of its divisors is an integer number (497051856).

Almost surely, 2^6450223135 is an apocalyptic number.

6450223135 is a deficient number, since it is larger than the sum of its proper divisors (1502606561).

6450223135 is a wasteful number, since it uses less digits than its factorization.

6450223135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14802.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 6450223135 is about 80313.2811868622. The cubic root of 6450223135 is about 1861.4794502648.

The spelling of 6450223135 in words is "six billion, four hundred fifty million, two hundred twenty-three thousand, one hundred thirty-five".