10539019507 has 4 divisors (see below), whose sum is σ = 10540608840. Its totient is φ = 10537430176.

The previous prime is 10539019493. The next prime is 10539019523. The reversal of 10539019507 is 70591093501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10539019507 is a prime.

It is a super-2 number, since 2×10539019507² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10539019507.

It is not an unprimeable number, because it can be changed into a prime (10539029507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 784678 + ... + 797995.

It is an arithmetic number, because the mean of its divisors is an integer number (2635152210).

Almost surely, 2^10539019507 is an apocalyptic number.

10539019507 is a deficient number, since it is larger than the sum of its proper divisors (1589333).

10539019507 is an equidigital number, since it uses as much as digits as its factorization.

10539019507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589332.

The product of its (nonzero) digits is 42525, while the sum is 40.

The spelling of 10539019507 in words is "ten billion, five hundred thirty-nine million, nineteen thousand, five hundred seven".