10509591273 has 16 divisors (see below), whose sum is σ = 14624802816. Its totient is φ = 6700502160.

The previous prime is 10509591269. The next prime is 10509591283. The reversal of 10509591273 is 37219590501.

It is not a de Polignac number, because 10509591273 - 2² = 10509591269 is a prime.

It is a super-2 number, since 2×10509591273² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10509591283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471486 + ... + 493272.

It is an arithmetic number, because the mean of its divisors is an integer number (914050176).

Almost surely, 2^10509591273 is an apocalyptic number.

It is an amenable number.

10509591273 is a deficient number, since it is larger than the sum of its proper divisors (4115211543).

10509591273 is a wasteful number, since it uses less digits than its factorization.

10509591273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28804.

The product of its (nonzero) digits is 85050, while the sum is 42.

The spelling of 10509591273 in words is "ten billion, five hundred nine million, five hundred ninety-one thousand, two hundred seventy-three".