3899195545 has 16 divisors (see below), whose sum is σ = 5349565440. Its totient is φ = 2672685504.

The previous prime is 3899195539. The next prime is 3899195549. The reversal of 3899195545 is 5455919983.

It is a cyclic number.

It is not a de Polignac number, because 3899195545 - 2²⁹ = 3362324633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3899195545.

It is not an unprimeable number, because it can be changed into a prime (3899195549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74679 + ... + 115651.

It is an arithmetic number, because the mean of its divisors is an integer number (334347840).

Almost surely, 2^3899195545 is an apocalyptic number.

3899195545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3899195545 is a deficient number, since it is larger than the sum of its proper divisors (1450369895).

3899195545 is a wasteful number, since it uses less digits than its factorization.

3899195545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43704.

The product of its digits is 8748000, while the sum is 58.

The square root of 3899195545 is about 62443.5388571148. The cubic root of 3899195545 is about 1573.9526817384.

The spelling of 3899195545 in words is "three billion, eight hundred ninety-nine million, one hundred ninety-five thousand, five hundred forty-five".