10543431653 has 2 divisors, whose sum is σ = 10543431654. Its totient is φ = 10543431652.

The previous prime is 10543431649. The next prime is 10543431667. The reversal of 10543431653 is 35613434501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8995953409 + 1547478244 = 94847^2 + 39338^2 .

It is a cyclic number.

It is not a de Polignac number, because 10543431653 - 2² = 10543431649 is a prime.

It is a super-2 number, since 2×10543431653² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10543431643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5271715826 + 5271715827.

It is an arithmetic number, because the mean of its divisors is an integer number (5271715827).

Almost surely, 2^10543431653 is an apocalyptic number.

It is an amenable number.

10543431653 is a deficient number, since it is larger than the sum of its proper divisors (1).

10543431653 is an equidigital number, since it uses as much as digits as its factorization.

10543431653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 10543431653 in words is "ten billion, five hundred forty-three million, four hundred thirty-one thousand, six hundred fifty-three".