10102770729 has 6 divisors (see below), whose sum is σ = 14592891066. Its totient is φ = 6735180480.

The previous prime is 10102770721. The next prime is 10102770731. The reversal of 10102770729 is 92707720101.

It can be written as a sum of positive squares in only one way, i.e., 5166303129 + 4936467600 = 71877^2 + 70260^2 .

It is not a de Polignac number, because 10102770729 - 2³ = 10102770721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10102770693 and 10102770702.

It is not an unprimeable number, because it can be changed into a prime (10102770721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561265032 + ... + 561265049.

It is an arithmetic number, because the mean of its divisors is an integer number (2432148511).

Almost surely, 2^10102770729 is an apocalyptic number.

It is an amenable number.

10102770729 is a deficient number, since it is larger than the sum of its proper divisors (4490120337).

10102770729 is a wasteful number, since it uses less digits than its factorization.

10102770729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122530087 (or 1122530084 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 36.

The spelling of 10102770729 in words is "ten billion, one hundred two million, seven hundred seventy thousand, seven hundred twenty-nine".