10243432564 has 12 divisors (see below), whose sum is σ = 18219876388. Its totient is φ = 5037753600.

The previous prime is 10243432553. The next prime is 10243432571. The reversal of 10243432564 is 46523434201.

It can be written as a sum of positive squares in 2 ways, for example, as 2785728400 + 7457704164 = 52780^2 + 86358^2 .

It is a super-2 number, since 2×10243432564² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20990397 + ... + 20990884.

Almost surely, 2^10243432564 is an apocalyptic number.

It is an amenable number.

10243432564 is a deficient number, since it is larger than the sum of its proper divisors (7976443824).

10243432564 is a wasteful number, since it uses less digits than its factorization.

10243432564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41981346 (or 41981344 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 10243432564 its reverse (46523434201), we get a palindrome (56766866765).

The spelling of 10243432564 in words is "ten billion, two hundred forty-three million, four hundred thirty-two thousand, five hundred sixty-four".