6400410651123 has 4 divisors (see below), whose sum is σ = 8533880868168. Its totient is φ = 4266940434080.

The previous prime is 6400410651091. The next prime is 6400410651133. The reversal of 6400410651123 is 3211560140046.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6400410651123 - 2⁵ = 6400410651091 is a prime.

It is a super-2 number, since 2×6400410651123² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6400410651133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066735108518 + ... + 1066735108523.

It is an arithmetic number, because the mean of its divisors is an integer number (2133470217042).

Almost surely, 2^{6400410651123} is an apocalyptic number.

6400410651123 is a deficient number, since it is larger than the sum of its proper divisors (2133470217045).

6400410651123 is a wasteful number, since it uses less digits than its factorization.

6400410651123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133470217044.

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 6400410651123 its reverse (3211560140046), we get a palindrome (9611970791169).

The spelling of 6400410651123 in words is "six trillion, four hundred billion, four hundred ten million, six hundred fifty-one thousand, one hundred twenty-three".