64141757685 has 16 divisors (see below), whose sum is σ = 114029791680. Its totient is φ = 34208937360.

The previous prime is 64141757651. The next prime is 64141757747. The reversal of 64141757685 is 58675714146.

64141757685 is a `hidden beast` number, since 64 + 1 + 4 + 1 + 7 + 576 + 8 + 5 = 666.

It is not a de Polignac number, because 64141757685 - 2¹⁰ = 64141756661 is a prime.

It is a super-2 number, since 2×64141757685² (a number of 22 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 15 ways as a sum of consecutive naturals, for example, 237561931 + ... + 237562200.

It is an arithmetic number, because the mean of its divisors is an integer number (7126861980).

Almost surely, 2^64141757685 is an apocalyptic number.

It is an amenable number.

64141757685 is a deficient number, since it is larger than the sum of its proper divisors (49888033995).

64141757685 is a wasteful number, since it uses less digits than its factorization.

64141757685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475124145 (or 475124139 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 54.

The spelling of 64141757685 in words is "sixty-four billion, one hundred forty-one million, seven hundred fifty-seven thousand, six hundred eighty-five".