6401928610 has 128 divisors (see below), whose sum is σ = 14689382400. Its totient is φ = 1951153920.

The previous prime is 6401928521. The next prime is 6401928613. The reversal of 6401928610 is 168291046.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6401928610.

It is not an unprimeable number, because it can be changed into a prime (6401928613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6965731 + ... + 6966649.

It is an arithmetic number, because the mean of its divisors is an integer number (114760800).

Almost surely, 2^6401928610 is an apocalyptic number.

6401928610 is an abundant number, since it is smaller than the sum of its proper divisors (8287453790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6401928610 is a wasteful number, since it uses less digits than its factorization.

6401928610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 6401928610 is about 80012.0529045468. The cubic root of 6401928610 is about 1856.8220108533.

It can be divided in two parts, 64019 and 28610, that added together give a palindrome (92629).

The spelling of 6401928610 in words is "six billion, four hundred one million, nine hundred twenty-eight thousand, six hundred ten".