64124311386 has 8 divisors (see below), whose sum is σ = 128248622784. Its totient is φ = 21374770460.

The previous prime is 64124311373. The next prime is 64124311387. The reversal of 64124311386 is 68311342146.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

64124311386 is an admirable number.

It is a super-2 number, since 2×64124311386² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64124311387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5343692610 + ... + 5343692621.

It is an arithmetic number, because the mean of its divisors is an integer number (16031077848).

Almost surely, 2^64124311386 is an apocalyptic number.

64124311386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64124311386 is a wasteful number, since it uses less digits than its factorization.

64124311386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10687385236.

The product of its digits is 82944, while the sum is 39.

The spelling of 64124311386 in words is "sixty-four billion, one hundred twenty-four million, three hundred eleven thousand, three hundred eighty-six".