402612108463 has 4 divisors (see below), whose sum is σ = 420116982768. Its totient is φ = 385107234160.

The previous prime is 402612108461. The next prime is 402612108491. The reversal of 402612108463 is 364801216204.

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 402612108463 - 2¹ = 402612108461 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 (402612108461) 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, 8752437118 + ... + 8752437163.

It is an arithmetic number, because the mean of its divisors is an integer number (105029245692).

Almost surely, 2^402612108463 is an apocalyptic number.

402612108463 is a deficient number, since it is larger than the sum of its proper divisors (17504874305).

402612108463 is a wasteful number, since it uses less digits than its factorization.

402612108463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17504874304.

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 402612108463 in words is "four hundred two billion, six hundred twelve million, one hundred eight thousand, four hundred sixty-three".