10409389216 has 12 divisors (see below), whose sum is σ = 20493485082. Its totient is φ = 5204694592.

The previous prime is 10409389213. The next prime is 10409389231. The reversal of 10409389216 is 61298390401.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9100396816 + 1308992400 = 95396^2 + 36180^2 .

It is not an unprimeable number, because it can be changed into a prime (10409389213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162646675 + ... + 162646738.

Almost surely, 2^10409389216 is an apocalyptic number.

10409389216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10409389216 is a deficient number, since it is larger than the sum of its proper divisors (10084095866).

10409389216 is an equidigital number, since it uses as much as digits as its factorization.

10409389216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325293423 (or 325293415 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 10409389216 in words is "ten billion, four hundred nine million, three hundred eighty-nine thousand, two hundred sixteen".