4012685919 has 16 divisors (see below), whose sum is σ = 6485149440. Its totient is φ = 2431930680.

The previous prime is 4012685903. The next prime is 4012685923. The reversal of 4012685919 is 9195862104.

4012685919 is a `hidden beast` number, since 40 + 12 + 6 + 8 + 591 + 9 = 666.

It is not a de Polignac number, because 4012685919 - 2⁴ = 4012685903 is a prime.

It is a super-2 number, since 2×4012685919² = 32203296569081749122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012685119) 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, 6755067 + ... + 6755660.

It is an arithmetic number, because the mean of its divisors is an integer number (405321840).

Almost surely, 2^4012685919 is an apocalyptic number.

4012685919 is a deficient number, since it is larger than the sum of its proper divisors (2472463521).

4012685919 is a wasteful number, since it uses less digits than its factorization.

4012685919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13510747 (or 13510741 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 4012685919 is about 63345.7648071282. The cubic root of 4012685919 is about 1589.0774177923.

The spelling of 4012685919 in words is "four billion, twelve million, six hundred eighty-five thousand, nine hundred nineteen".