3919054643 has 6 divisors (see below), whose sum is σ = 4558900356. Its totient is φ = 3359189652.

The previous prime is 3919054637. The next prime is 3919054649. The reversal of 3919054643 is 3464509193.

It is an interprime number because it is at equal distance from previous prime (3919054637) and next prime (3919054649).

It is not a de Polignac number, because 3919054643 - 2¹² = 3919050547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3919054594 and 3919054603.

It is not an unprimeable number, because it can be changed into a prime (3919054649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39990305 + ... + 39990402.

It is an arithmetic number, because the mean of its divisors is an integer number (759816726).

Almost surely, 2^3919054643 is an apocalyptic number.

3919054643 is a deficient number, since it is larger than the sum of its proper divisors (639845713).

3919054643 is an equidigital number, since it uses as much as digits as its factorization.

3919054643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79980721 (or 79980714 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 3919054643 is about 62602.3533343596. The cubic root of 3919054643 is about 1576.6202716784.

The spelling of 3919054643 in words is "three billion, nine hundred nineteen million, fifty-four thousand, six hundred forty-three".