10509509393 has 8 divisors (see below), whose sum is σ = 10967611200. Its totient is φ = 10051504848.

The previous prime is 10509509371. The next prime is 10509509407. The reversal of 10509509393 is 39390590501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10509509393 is a prime.

It is a super-2 number, since 2×10509509393² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10509509303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275063 + ... + 310931.

It is an arithmetic number, because the mean of its divisors is an integer number (1370951400).

Almost surely, 2^10509509393 is an apocalyptic number.

It is an amenable number.

10509509393 is a deficient number, since it is larger than the sum of its proper divisors (458101807).

10509509393 is a wasteful number, since it uses less digits than its factorization.

10509509393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48631.

The product of its (nonzero) digits is 164025, while the sum is 44.

The spelling of 10509509393 in words is "ten billion, five hundred nine million, five hundred nine thousand, three hundred ninety-three".