4064691849 has 16 divisors (see below), whose sum is σ = 5457916608. Its totient is φ = 2690655552.

The previous prime is 4064691817. The next prime is 4064691887. The reversal of 4064691849 is 9481964604.

It is not a de Polignac number, because 4064691849 - 2⁵ = 4064691817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4064691809) 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, 1103599 + ... + 1107275.

It is an arithmetic number, because the mean of its divisors is an integer number (341119788).

Almost surely, 2^4064691849 is an apocalyptic number.

It is an amenable number.

4064691849 is a deficient number, since it is larger than the sum of its proper divisors (1393224759).

4064691849 is a wasteful number, since it uses less digits than its factorization.

4064691849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6184.

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 4064691849 is about 63754.9358795066. The cubic root of 4064691849 is about 1595.9129869302.

The spelling of 4064691849 in words is "four billion, sixty-four million, six hundred ninety-one thousand, eight hundred forty-nine".