1906331741 has 4 divisors (see below), whose sum is σ = 1910077500. Its totient is φ = 1902585984.

The previous prime is 1906331729. The next prime is 1906331743. The reversal of 1906331741 is 1471336091.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1798608100 + 107723641 = 42410^2 + 10379^2 .

It is a cyclic number.

It is not a de Polignac number, because 1906331741 - 2⁶ = 1906331677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1906331743) 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 3 ways as a sum of consecutive naturals, for example, 1872116 + ... + 1873133.

It is an arithmetic number, because the mean of its divisors is an integer number (477519375).

Almost surely, 2^1906331741 is an apocalyptic number.

It is an amenable number.

1906331741 is a deficient number, since it is larger than the sum of its proper divisors (3745759).

1906331741 is an equidigital number, since it uses as much as digits as its factorization.

1906331741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745758.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 1906331741 is about 43661.5590766065. The cubic root of 1906331741 is about 1239.9366384984.

The spelling of 1906331741 in words is "one billion, nine hundred six million, three hundred thirty-one thousand, seven hundred forty-one".