864500009402 has 8 divisors (see below), whose sum is σ = 1296778503636. Its totient is φ = 432240508192.

The previous prime is 864500009363. The next prime is 864500009489. The reversal of 864500009402 is 204900005468.

It can be written as a sum of positive squares in 2 ways, for example, as 864139427281 + 360582121 = 929591^2 + 18989^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4633913 + ... + 4816860.

Almost surely, 2^864500009402 is an apocalyptic number.

864500009402 is a deficient number, since it is larger than the sum of its proper divisors (432278494234).

864500009402 is a wasteful number, since it uses less digits than its factorization.

864500009402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9496512.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 864500009402 in words is "eight hundred sixty-four billion, five hundred million, nine thousand, four hundred two".