1386685246464 has 1056 divisors, whose sum is σ = 4990721462272. Its totient is φ = 376233984000.

The previous prime is 1386685246439. The next prime is 1386685246483. The reversal of 1386685246464 is 4646425866831.

1386685246464 is a `hidden beast` number, since 1 + 3 + 8 + 6 + 68 + 52 + 464 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3293788974 + ... + 3293789394.

Almost surely, 2^{1386685246464} is an apocalyptic number.

1386685246464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1386685246464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2495360731136).

1386685246464 is an abundant number, since it is smaller than the sum of its proper divisors (3604036215808).

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

1386685246464 is an equidigital number, since it uses as much as digits as its factorization.

1386685246464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 525 counting only the distinct ones).

The product of its digits is 159252480, while the sum is 63.

The spelling of 1386685246464 in words is "one trillion, three hundred eighty-six billion, six hundred eighty-five million, two hundred forty-six thousand, four hundred sixty-four".