962640806401 has 4 divisors (see below), whose sum is σ = 962642782804. Its totient is φ = 962638830000.

The previous prime is 962640806317. The next prime is 962640806423. The reversal of 962640806401 is 104608046269.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104608046269 = 3709 ⋅28203841.

It can be written as a sum of positive squares in 2 ways, for example, as 44838486001 + 917802320400 = 211751^2 + 958020^2 .

It is a cyclic number.

It is not a de Polignac number, because 962640806401 - 2⁷ = 962640806273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (962640803401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317251 + ... + 1423351.

It is an arithmetic number, because the mean of its divisors is an integer number (240660695701).

Almost surely, 2^962640806401 is an apocalyptic number.

It is an amenable number.

962640806401 is a deficient number, since it is larger than the sum of its proper divisors (1976403).

962640806401 is a wasteful number, since it uses less digits than its factorization.

962640806401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976402.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 962640806401 in words is "nine hundred sixty-two billion, six hundred forty million, eight hundred six thousand, four hundred one".