10529919857 has 4 divisors (see below), whose sum is σ = 10702541556. Its totient is φ = 10357298160.

The previous prime is 10529919853. The next prime is 10529919863. The reversal of 10529919857 is 75891992501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3587530816 + 6942389041 = 59896^2 + 83321^2 .

It is a cyclic number.

It is not a de Polignac number, because 10529919857 - 2² = 10529919853 is a prime.

It is a super-2 number, since 2×10529919857² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10529919853) 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, 86310758 + ... + 86310879.

It is an arithmetic number, because the mean of its divisors is an integer number (2675635389).

Almost surely, 2^10529919857 is an apocalyptic number.

It is an amenable number.

10529919857 is a deficient number, since it is larger than the sum of its proper divisors (172621699).

10529919857 is an equidigital number, since it uses as much as digits as its factorization.

10529919857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172621698.

The product of its (nonzero) digits is 2041200, while the sum is 56.

The spelling of 10529919857 in words is "ten billion, five hundred twenty-nine million, nine hundred nineteen thousand, eight hundred fifty-seven".