6402875913901 has 4 divisors (see below), whose sum is σ = 6402965175900. Its totient is φ = 6402786651904.

The previous prime is 6402875913899. The next prime is 6402875913913. The reversal of 6402875913901 is 1093195782046.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1695490452100 + 4707385461801 = 1302110^2 + 2169651^2 .

It is a cyclic number.

It is not a de Polignac number, because 6402875913901 - 2¹ = 6402875913899 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 (6402875913001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44523316 + ... + 44666893.

It is an arithmetic number, because the mean of its divisors is an integer number (1600741293975).

It is a 1-persistent number, because it is pandigital, but 2⋅6402875913901 = 12805751827802 is not.

Almost surely, 2^{6402875913901} is an apocalyptic number.

It is an amenable number.

6402875913901 is a deficient number, since it is larger than the sum of its proper divisors (89261999).

6402875913901 is an equidigital number, since it uses as much as digits as its factorization.

6402875913901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89261998.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 6402875913901 in words is "six trillion, four hundred two billion, eight hundred seventy-five million, nine hundred thirteen thousand, nine hundred one".