9771107019129 has 27 divisors (see below), whose sum is σ = 14195548584399. Its totient is φ = 6476567073840.

The previous prime is 9771107019043. The next prime is 9771107019133. The reversal of 9771107019129 is 9219107011779.

The square root of 9771107019129 is 3125877.

It is a perfect power (a square), and thus also a powerful number.

9771107019129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8499399729129 + 1271707290000 = 2915373^2 + 1127700^2 .

It is not a de Polignac number, because 9771107019129 - 2⁷ = 9771107019001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9771107019829) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1678593039 + ... + 1678598859.

Almost surely, 2^{9771107019129} is an apocalyptic number.

9771107019129 is the 3125877-th square number.

9771107019129 is the 1562939-th centered octagonal number.

It is an amenable number.

9771107019129 is a deficient number, since it is larger than the sum of its proper divisors (4424441565270).

9771107019129 is an frugal number, since it uses more digits than its factorization.

9771107019129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12006 (or 6003 counting only the distinct ones).

The product of its (nonzero) digits is 500094, while the sum is 54.

The spelling of 9771107019129 in words is "nine trillion, seven hundred seventy-one billion, one hundred seven million, nineteen thousand, one hundred twenty-nine".