3919420807 has 8 divisors (see below), whose sum is σ = 3984942096. Its totient is φ = 3854434752.

The previous prime is 3919420751. The next prime is 3919420811. The reversal of 3919420807 is 7080249193.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3919420807 - 2⁷ = 3919420679 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 (3919420507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119028 + ... + 148345.

It is an arithmetic number, because the mean of its divisors is an integer number (498117762).

Almost surely, 2^3919420807 is an apocalyptic number.

3919420807 is a deficient number, since it is larger than the sum of its proper divisors (65521289).

3919420807 is a wasteful number, since it uses less digits than its factorization.

3919420807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267617.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 3919420807 is about 62605.2777886977. The cubic root of 3919420807 is about 1576.6693722617.

The spelling of 3919420807 in words is "three billion, nine hundred nineteen million, four hundred twenty thousand, eight hundred seven".