3913556149441 has 9 divisors (see below), whose sum is σ = 3926797717539. Its totient is φ = 3900359103600.

The previous prime is 3913556149423. The next prime is 3913556149483. The reversal of 3913556149441 is 1449416553193.

The square root of 3913556149441 is 1978271.

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

3913556149441 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., 966428591041 + 2947127558400 = 983071^2 + 1716720^2 .

It is not a de Polignac number, because 3913556149441 - 2⁷ = 3913556149313 is a prime.

It is a super-2 number, since 2×3913556149441² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3913556119441) 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, 615239101 + ... + 615245461.

Almost surely, 2^{3913556149441} is an apocalyptic number.

3913556149441 is the 1978271-st square number.

3913556149441 is the 989136-th centered octagonal number.

It is an amenable number.

3913556149441 is a deficient number, since it is larger than the sum of its proper divisors (13241568098).

3913556149441 is an frugal number, since it uses more digits than its factorization.

3913556149441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13344 (or 6672 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 55.

The spelling of 3913556149441 in words is "three trillion, nine hundred thirteen billion, five hundred fifty-six million, one hundred forty-nine thousand, four hundred forty-one".