3869112505 has 16 divisors (see below), whose sum is σ = 4709445840. Its totient is φ = 3051240192.

The previous prime is 3869112461. The next prime is 3869112551. The reversal of 3869112505 is 5052119683.

It can be written as a sum of positive squares in 8 ways, for example, as 55308969 + 3813803536 = 7437^2 + 61756^2 .

It is a cyclic number.

It is not a de Polignac number, because 3869112505 - 2¹³ = 3869104313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89347 + ... + 125383.

It is an arithmetic number, because the mean of its divisors is an integer number (294340365).

Almost surely, 2^3869112505 is an apocalyptic number.

It is an amenable number.

3869112505 is a deficient number, since it is larger than the sum of its proper divisors (840333335).

3869112505 is a wasteful number, since it uses less digits than its factorization.

3869112505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36348.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 3869112505 is about 62202.1905160903. The cubic root of 3869112505 is about 1569.8944450110.

The spelling of 3869112505 in words is "three billion, eight hundred sixty-nine million, one hundred twelve thousand, five hundred five".