4019049064644 has 12 divisors (see below), whose sum is σ = 9377781150864. Its totient is φ = 1339683021544.

The previous prime is 4019049064643. The next prime is 4019049064673. The reversal of 4019049064644 is 4464609409104.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×4019049064644² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4019049064643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167460377682 + ... + 167460377705.

It is an arithmetic number, because the mean of its divisors is an integer number (781481762572).

Almost surely, 2^{4019049064644} is an apocalyptic number.

It is an amenable number.

4019049064644 is an abundant number, since it is smaller than the sum of its proper divisors (5358732086220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4019049064644 is a wasteful number, since it uses less digits than its factorization.

4019049064644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334920755394 (or 334920755392 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 4019049064644 in words is "four trillion, nineteen billion, forty-nine million, sixty-four thousand, six hundred forty-four".