3126377641 has 4 divisors (see below), whose sum is σ = 3210874372. Its totient is φ = 3041880912.

The previous prime is 3126377623. The next prime is 3126377647. The reversal of 3126377641 is 1467736213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1467736213 = 13669 ⋅107377.

It can be written as a sum of positive squares in 2 ways, for example, as 1199167641 + 1927210000 = 34629^2 + 43900^2 .

It is a cyclic number.

It is not a de Polignac number, because 3126377641 - 2²⁹ = 2589506729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3126377594 and 3126377603.

It is not an unprimeable number, because it can be changed into a prime (3126377647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42248310 + ... + 42248383.

It is an arithmetic number, because the mean of its divisors is an integer number (802718593).

Almost surely, 2^3126377641 is an apocalyptic number.

It is an amenable number.

3126377641 is a deficient number, since it is larger than the sum of its proper divisors (84496731).

3126377641 is an equidigital number, since it uses as much as digits as its factorization.

3126377641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84496730.

The product of its digits is 127008, while the sum is 40.

The square root of 3126377641 is about 55914.0200754694. The cubic root of 3126377641 is about 1462.2236773689.

The spelling of 3126377641 in words is "three billion, one hundred twenty-six million, three hundred seventy-seven thousand, six hundred forty-one".