4394731397727 has 32 divisors (see below), whose sum is σ = 6768801607680. Its totient is φ = 2506633758720.

The previous prime is 4394731397711. The next prime is 4394731397783. The reversal of 4394731397727 is 7277931374934.

It is not a de Polignac number, because 4394731397727 - 2⁴ = 4394731397711 is a prime.

It is a super-2 number, since 2×4394731397727² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4394731397527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8546103 + ... + 9045735.

It is an arithmetic number, because the mean of its divisors is an integer number (211525050240).

Almost surely, 2^{4394731397727} is an apocalyptic number.

4394731397727 is a deficient number, since it is larger than the sum of its proper divisors (2374070209953).

4394731397727 is a wasteful number, since it uses less digits than its factorization.

4394731397727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515343.

The product of its digits is 168031584, while the sum is 66.

The spelling of 4394731397727 in words is "four trillion, three hundred ninety-four billion, seven hundred thirty-one million, three hundred ninety-seven thousand, seven hundred twenty-seven".