3910549755121 has 9 divisors (see below), whose sum is σ = 3920460337611. Its totient is φ = 3900664177632.

The previous prime is 3910549755109. The next prime is 3910549755137. The reversal of 3910549755121 is 1215579450193.

The square root of 3910549755121 is 1977511.

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

It can be written as a sum of positive squares in only one way, i.e., 438528706225 + 3472021048896 = 662215^2 + 1863336^2 .

It is not a de Polignac number, because 3910549755121 - 2⁹ = 3910549754609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3910549705121) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 856259980 + ... + 856264546.

It is an arithmetic number, because the mean of its divisors is an integer number (435606704179).

Almost surely, 2^{3910549755121} is an apocalyptic number.

3910549755121 is the 1977511-st square number.

3910549755121 is the 988756-th centered octagonal number.

It is an amenable number.

3910549755121 is a deficient number, since it is larger than the sum of its proper divisors (9910582490).

3910549755121 is an frugal number, since it uses more digits than its factorization.

3910549755121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10000 (or 5000 counting only the distinct ones).

The product of its (nonzero) digits is 1701000, while the sum is 52.

The spelling of 3910549755121 in words is "three trillion, nine hundred ten billion, five hundred forty-nine million, seven hundred fifty-five thousand, one hundred twenty-one".