6445227750535 has 24 divisors (see below), whose sum is σ = 9012184028496. Its totient is φ = 4412131718400.

The previous prime is 6445227750527. The next prime is 6445227750539. The reversal of 6445227750535 is 5350577225446.

It is not a de Polignac number, because 6445227750535 - 2³ = 6445227750527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6445227750539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22036041 + ... + 22326610.

It is an arithmetic number, because the mean of its divisors is an integer number (375507667854).

Almost surely, 2^{6445227750535} is an apocalyptic number.

6445227750535 is a deficient number, since it is larger than the sum of its proper divisors (2566956277961).

6445227750535 is a wasteful number, since it uses less digits than its factorization.

6445227750535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44363263 (or 44363256 counting only the distinct ones).

The product of its (nonzero) digits is 35280000, while the sum is 55.

The spelling of 6445227750535 in words is "six trillion, four hundred forty-five billion, two hundred twenty-seven million, seven hundred fifty thousand, five hundred thirty-five".