3920069541 has 4 divisors (see below), whose sum is σ = 5226759392. Its totient is φ = 2613379692.

The previous prime is 3920069539. The next prime is 3920069551. The reversal of 3920069541 is 1459600293.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3920069541 - 2¹ = 3920069539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3920069541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3920069551) 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, 653344921 + ... + 653344926.

It is an arithmetic number, because the mean of its divisors is an integer number (1306689848).

Almost surely, 2^3920069541 is an apocalyptic number.

It is an amenable number.

3920069541 is a deficient number, since it is larger than the sum of its proper divisors (1306689851).

3920069541 is a wasteful number, since it uses less digits than its factorization.

3920069541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306689850.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 3920069541 is about 62610.4587189712. The cubic root of 3920069541 is about 1576.7563564235.

The spelling of 3920069541 in words is "three billion, nine hundred twenty million, sixty-nine thousand, five hundred forty-one".