64143756127 has 12 divisors (see below), whose sum is σ = 70546269640. Its totient is φ = 58278472560.

The previous prime is 64143756119. The next prime is 64143756139. The reversal of 64143756127 is 72165734146.

It is not a de Polignac number, because 64143756127 - 2³ = 64143756119 is a prime.

It is a super-3 number, since 3×64143756127³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64143756197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54649 + ... + 362317.

Almost surely, 2^64143756127 is an apocalyptic number.

64143756127 is a deficient number, since it is larger than the sum of its proper divisors (6402513513).

64143756127 is a wasteful number, since it uses less digits than its factorization.

64143756127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309414 (or 309403 counting only the distinct ones).

The product of its digits is 846720, while the sum is 46.

The spelling of 64143756127 in words is "sixty-four billion, one hundred forty-three million, seven hundred fifty-six thousand, one hundred twenty-seven".