10513145639 has 4 divisors (see below), whose sum is σ = 10513872720. Its totient is φ = 10512418560.

The previous prime is 10513145633. The next prime is 10513145641. The reversal of 10513145639 is 93654131501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93654131501 = 7 ⋅13379161643.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10513145639 is a prime.

It is a super-2 number, since 2×10513145639² (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 (10513145633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341402 + ... + 370919.

It is an arithmetic number, because the mean of its divisors is an integer number (2628468180).

Almost surely, 2^10513145639 is an apocalyptic number.

10513145639 is a deficient number, since it is larger than the sum of its proper divisors (727081).

10513145639 is an equidigital number, since it uses as much as digits as its factorization.

10513145639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727080.

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 10513145639 in words is "ten billion, five hundred thirteen million, one hundred forty-five thousand, six hundred thirty-nine".