10513969509 has 8 divisors (see below), whose sum is σ = 14025584320. Its totient is φ = 7005833856.

The previous prime is 10513969493. The next prime is 10513969519. The reversal of 10513969509 is 90596931501.

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

It is not a de Polignac number, because 10513969509 - 2⁴ = 10513969493 is a prime.

It is a super-2 number, since 2×10513969509² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10513969519) 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, 862729 + ... + 874830.

It is an arithmetic number, because the mean of its divisors is an integer number (1753198040).

Almost surely, 2^10513969509 is an apocalyptic number.

It is an amenable number.

10513969509 is a deficient number, since it is larger than the sum of its proper divisors (3511614811).

10513969509 is a wasteful number, since it uses less digits than its factorization.

10513969509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739579.

The product of its (nonzero) digits is 328050, while the sum is 48.

The spelling of 10513969509 in words is "ten billion, five hundred thirteen million, nine hundred sixty-nine thousand, five hundred nine".