4061894736 has 20 divisors (see below), whose sum is σ = 10493228192. Its totient is φ = 1353964896.

The previous prime is 4061894717. The next prime is 4061894761. The reversal of 4061894736 is 6374981604.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 84622807 = 4061894736 / (4 + 0 + 6 + 1 + 8 + 9 + 4 + 7 + 3 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42311356 + ... + 42311451.

Almost surely, 2^4061894736 is an apocalyptic number.

It is an amenable number.

4061894736 is an abundant number, since it is smaller than the sum of its proper divisors (6431333456).

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

4061894736 is a wasteful number, since it uses less digits than its factorization.

4061894736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84622818 (or 84622812 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 4061894736 is about 63732.9956615880. The cubic root of 4061894736 is about 1595.5468277006.

The spelling of 4061894736 in words is "four billion, sixty-one million, eight hundred ninety-four thousand, seven hundred thirty-six".