6426128510 has 40 divisors (see below), whose sum is σ = 12212115336. Its totient is φ = 2434670640.

The previous prime is 6426128483. The next prime is 6426128519. The reversal of 6426128510 is 158216246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6426128519) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1300745 + ... + 1305675.

Almost surely, 2^6426128510 is an apocalyptic number.

6426128510 is a deficient number, since it is larger than the sum of its proper divisors (5785986826).

6426128510 is an frugal number, since it uses more digits than its factorization.

6426128510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5014 (or 4957 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 6426128510 is about 80163.1368522964. The cubic root of 6426128510 is about 1859.1587236842.

The spelling of 6426128510 in words is "six billion, four hundred twenty-six million, one hundred twenty-eight thousand, five hundred ten".