4012728372495 has 24 divisors (see below), whose sum is σ = 7050675246576. Its totient is φ = 2110805059968.

The previous prime is 4012728372473. The next prime is 4012728372539. The reversal of 4012728372495 is 5942738272104.

4012728372495 is a `hidden beast` number, since 4 + 0 + 1 + 2 + 7 + 2 + 83 + 72 + 495 = 666.

It is not a de Polignac number, because 4012728372495 - 2⁸ = 4012728372239 is a prime.

It is a super-2 number, since 2×4012728372495² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 610762069 + ... + 610768638.

It is an arithmetic number, because the mean of its divisors is an integer number (293778135274).

Almost surely, 2^{4012728372495} is an apocalyptic number.

4012728372495 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4012728372495 is a deficient number, since it is larger than the sum of its proper divisors (3037946874081).

4012728372495 is a wasteful number, since it uses less digits than its factorization.

4012728372495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221530791 (or 1221530788 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 4012728372495 in words is "four trillion, twelve billion, seven hundred twenty-eight million, three hundred seventy-two thousand, four hundred ninety-five".