1385875650699 has 96 divisors (see below), whose sum is σ = 2219543726400. Its totient is φ = 830118481920.

The previous prime is 1385875650673. The next prime is 1385875650707. The reversal of 1385875650699 is 9960565785831.

It is a happy number.

1385875650699 is a `hidden beast` number, since 1 + 3 + 8 + 58 + 7 + 565 + 0 + 6 + 9 + 9 = 666.

It is not a de Polignac number, because 1385875650699 - 2⁵ = 1385875650667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1385875650899) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 40485439 + ... + 40519655.

It is an arithmetic number, because the mean of its divisors is an integer number (23120247150).

Almost surely, 2^{1385875650699} is an apocalyptic number.

1385875650699 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1385875650699 is a deficient number, since it is larger than the sum of its proper divisors (833668075701).

1385875650699 is a wasteful number, since it uses less digits than its factorization.

1385875650699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34445 (or 34442 counting only the distinct ones).

The product of its (nonzero) digits is 489888000, while the sum is 72.

The spelling of 1385875650699 in words is "one trillion, three hundred eighty-five billion, eight hundred seventy-five million, six hundred fifty thousand, six hundred ninety-nine".